Home / 267,553.38-401,371.60-90,046.56

Finding the Fourth Proportional to 267,553.38, 401,371.60 and 90,046.56

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Solution

The fourth proportional to 267,553.38, 401,371.60 and 90,046.56 is: 135,083.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,553.38 : 401,371.60 = 90,046.56 : x
  2. Step 2: Convert to fraction form
    267,553.38/401,371.60 = 90,046.56/x
  3. Step 3: Cross multiply
    267,553.38x = 401,371.60 × 90,046.56
  4. Step 4: Simplify right side
    267,553.38x = 36,142,131,861.70
  5. Step 5: Solve for x
    x = 36,142,131,861.70/267,553.38
  6. Step 6: Final answer
    x = 135,083.82

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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.