Home / 440,861.10-661,385.15-141,551.92

Finding the Fourth Proportional to 440,861.10, 661,385.15 and 141,551.92

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Solution

The fourth proportional to 440,861.10, 661,385.15 and 141,551.92 is: 212,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,861.10 : 661,385.15 = 141,551.92 : x
  2. Step 2: Convert to fraction form
    440,861.10/661,385.15 = 141,551.92/x
  3. Step 3: Cross multiply
    440,861.10x = 661,385.15 × 141,551.92
  4. Step 4: Simplify right side
    440,861.10x = 93,620,338,491.78
  5. Step 5: Solve for x
    x = 93,620,338,491.78/440,861.10
  6. Step 6: Final answer
    x = 212,357.90

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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.