Home / 154,551.10-231,845.76-54,691.30

Finding the Fourth Proportional to 154,551.10, 231,845.76 and 54,691.30

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Solution

The fourth proportional to 154,551.10, 231,845.76 and 54,691.30 is: 82,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,551.10 : 231,845.76 = 54,691.30 : x
  2. Step 2: Convert to fraction form
    154,551.10/231,845.76 = 54,691.30/x
  3. Step 3: Cross multiply
    154,551.10x = 231,845.76 × 54,691.30
  4. Step 4: Simplify right side
    154,551.10x = 12,679,946,013.89
  5. Step 5: Solve for x
    x = 12,679,946,013.89/154,551.10
  6. Step 6: Final answer
    x = 82,043.71

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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.