Home / 275,731.20-413,599.68-117,861.12

Finding the Fourth Proportional to 275,731.20, 413,599.68 and 117,861.12

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Solution

The fourth proportional to 275,731.20, 413,599.68 and 117,861.12 is: 176,792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,731.20 : 413,599.68 = 117,861.12 : x
  2. Step 2: Convert to fraction form
    275,731.20/413,599.68 = 117,861.12/x
  3. Step 3: Cross multiply
    275,731.20x = 413,599.68 × 117,861.12
  4. Step 4: Simplify right side
    275,731.20x = 48,747,321,516.44
  5. Step 5: Solve for x
    x = 48,747,321,516.44/275,731.20
  6. Step 6: Final answer
    x = 176,792.91

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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.