Home / 112,696.11-155,331.68-89,962.25

Finding the Fourth Proportional to 112,696.11, 155,331.68 and 89,962.25

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Solution

The fourth proportional to 112,696.11, 155,331.68 and 89,962.25 is: 123,997.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,696.11 : 155,331.68 = 89,962.25 : x
  2. Step 2: Convert to fraction form
    112,696.11/155,331.68 = 89,962.25/x
  3. Step 3: Cross multiply
    112,696.11x = 155,331.68 × 89,962.25
  4. Step 4: Simplify right side
    112,696.11x = 13,973,986,202.61
  5. Step 5: Solve for x
    x = 13,973,986,202.61/112,696.11
  6. Step 6: Final answer
    x = 123,997.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.