Home / 157,525.32-217,390.40-89,545.14

Finding the Fourth Proportional to 157,525.32, 217,390.40 and 89,545.14

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Solution

The fourth proportional to 157,525.32, 217,390.40 and 89,545.14 is: 123,575.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,525.32 : 217,390.40 = 89,545.14 : x
  2. Step 2: Convert to fraction form
    157,525.32/217,390.40 = 89,545.14/x
  3. Step 3: Cross multiply
    157,525.32x = 217,390.40 × 89,545.14
  4. Step 4: Simplify right side
    157,525.32x = 19,466,253,354.93
  5. Step 5: Solve for x
    x = 19,466,253,354.93/157,525.32
  6. Step 6: Final answer
    x = 123,575.39

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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.