Home / 157,583.04-217,501.92-90,553.92

Finding the Fourth Proportional to 157,583.04, 217,501.92 and 90,553.92

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Solution

The fourth proportional to 157,583.04, 217,501.92 and 90,553.92 is: 124,985.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,583.04 : 217,501.92 = 90,553.92 : x
  2. Step 2: Convert to fraction form
    157,583.04/217,501.92 = 90,553.92/x
  3. Step 3: Cross multiply
    157,583.04x = 217,501.92 × 90,553.92
  4. Step 4: Simplify right side
    157,583.04x = 19,695,651,463.53
  5. Step 5: Solve for x
    x = 19,695,651,463.53/157,583.04
  6. Step 6: Final answer
    x = 124,985.86

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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.