Home / 154,517.52-231,880.14-54,677.30

Finding the Fourth Proportional to 154,517.52, 231,880.14 and 54,677.30

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Solution

The fourth proportional to 154,517.52, 231,880.14 and 54,677.30 is: 82,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,517.52 : 231,880.14 = 54,677.30 : x
  2. Step 2: Convert to fraction form
    154,517.52/231,880.14 = 54,677.30/x
  3. Step 3: Cross multiply
    154,517.52x = 231,880.14 × 54,677.30
  4. Step 4: Simplify right side
    154,517.52x = 12,678,579,978.82
  5. Step 5: Solve for x
    x = 12,678,579,978.82/154,517.52
  6. Step 6: Final answer
    x = 82,052.70

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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.