Home / 454,046.20-681,134.10-154,475.80

Finding the Fourth Proportional to 454,046.20, 681,134.10 and 154,475.80

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Solution

The fourth proportional to 454,046.20, 681,134.10 and 154,475.80 is: 231,735.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,046.20 : 681,134.10 = 154,475.80 : x
  2. Step 2: Convert to fraction form
    454,046.20/681,134.10 = 154,475.80/x
  3. Step 3: Cross multiply
    454,046.20x = 681,134.10 × 154,475.80
  4. Step 4: Simplify right side
    454,046.20x = 105,218,735,004.78
  5. Step 5: Solve for x
    x = 105,218,735,004.78/454,046.20
  6. Step 6: Final answer
    x = 231,735.75

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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.