Home / 157,543.76-217,449.68-93,869.25

Finding the Fourth Proportional to 157,543.76, 217,449.68 and 93,869.25

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Solution

The fourth proportional to 157,543.76, 217,449.68 and 93,869.25 is: 129,562.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,543.76 : 217,449.68 = 93,869.25 : x
  2. Step 2: Convert to fraction form
    157,543.76/217,449.68 = 93,869.25/x
  3. Step 3: Cross multiply
    157,543.76x = 217,449.68 × 93,869.25
  4. Step 4: Simplify right side
    157,543.76x = 20,411,837,904.99
  5. Step 5: Solve for x
    x = 20,411,837,904.99/157,543.76
  6. Step 6: Final answer
    x = 129,562.98

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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.