Home / 416,123.28-624,254.92-131,893.06

Finding the Fourth Proportional to 416,123.28, 624,254.92 and 131,893.06

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Solution

The fourth proportional to 416,123.28, 624,254.92 and 131,893.06 is: 197,861.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,123.28 : 624,254.92 = 131,893.06 : x
  2. Step 2: Convert to fraction form
    416,123.28/624,254.92 = 131,893.06/x
  3. Step 3: Cross multiply
    416,123.28x = 624,254.92 × 131,893.06
  4. Step 4: Simplify right side
    416,123.28x = 82,334,891,618.86
  5. Step 5: Solve for x
    x = 82,334,891,618.86/416,123.28
  6. Step 6: Final answer
    x = 197,861.78

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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.