The sum of 4 consecutive integers is 198. what is the fourth number in this sequence?

51.

Step-by-step explanation:

Let the four consecutive be x , x+1 , x+2 , x+3 ,x+4.

Then , According to the given question, we have

Now, the fourth number will be :-

Hence, the fourth number will be 51.

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!