Home / 177,876.98-266,689.65-89,066.78

Finding the Fourth Proportional to 177,876.98, 266,689.65 and 89,066.78

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Solution

The fourth proportional to 177,876.98, 266,689.65 and 89,066.78 is: 133,537.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,876.98 : 266,689.65 = 89,066.78 : x
  2. Step 2: Convert to fraction form
    177,876.98/266,689.65 = 89,066.78/x
  3. Step 3: Cross multiply
    177,876.98x = 266,689.65 × 89,066.78
  4. Step 4: Simplify right side
    177,876.98x = 23,753,188,384.83
  5. Step 5: Solve for x
    x = 23,753,188,384.83/177,876.98
  6. Step 6: Final answer
    x = 133,537.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.