Home / 444,711.20-667,085.26-129,168.11

Finding the Fourth Proportional to 444,711.20, 667,085.26 and 129,168.11

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Solution

The fourth proportional to 444,711.20, 667,085.26 and 129,168.11 is: 193,757.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,711.20 : 667,085.26 = 129,168.11 : x
  2. Step 2: Convert to fraction form
    444,711.20/667,085.26 = 129,168.11/x
  3. Step 3: Cross multiply
    444,711.20x = 667,085.26 × 129,168.11
  4. Step 4: Simplify right side
    444,711.20x = 86,166,138,957.96
  5. Step 5: Solve for x
    x = 86,166,138,957.96/444,711.20
  6. Step 6: Final answer
    x = 193,757.52

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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.