Home / 157,335.29-217,122.98-89,352.25

Finding the Fourth Proportional to 157,335.29, 217,122.98 and 89,352.25

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Solution

The fourth proportional to 157,335.29, 217,122.98 and 89,352.25 is: 123,306.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,335.29 : 217,122.98 = 89,352.25 : x
  2. Step 2: Convert to fraction form
    157,335.29/217,122.98 = 89,352.25/x
  3. Step 3: Cross multiply
    157,335.29x = 217,122.98 × 89,352.25
  4. Step 4: Simplify right side
    157,335.29x = 19,400,427,524.06
  5. Step 5: Solve for x
    x = 19,400,427,524.06/157,335.29
  6. Step 6: Final answer
    x = 123,306.27

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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.