Home / 449,747.54-674,521.94-129,829.88

Finding the Fourth Proportional to 449,747.54, 674,521.94 and 129,829.88

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Solution

The fourth proportional to 449,747.54, 674,521.94 and 129,829.88 is: 194,716.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,747.54 : 674,521.94 = 129,829.88 : x
  2. Step 2: Convert to fraction form
    449,747.54/674,521.94 = 129,829.88/x
  3. Step 3: Cross multiply
    449,747.54x = 674,521.94 × 129,829.88
  4. Step 4: Simplify right side
    449,747.54x = 87,573,102,527.57
  5. Step 5: Solve for x
    x = 87,573,102,527.57/449,747.54
  6. Step 6: Final answer
    x = 194,716.13

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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.