Home / 154,502.20-231,753.30-49,331.80

Finding the Fourth Proportional to 154,502.20, 231,753.30 and 49,331.80

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Solution

The fourth proportional to 154,502.20, 231,753.30 and 49,331.80 is: 73,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,502.20 : 231,753.30 = 49,331.80 : x
  2. Step 2: Convert to fraction form
    154,502.20/231,753.30 = 49,331.80/x
  3. Step 3: Cross multiply
    154,502.20x = 231,753.30 × 49,331.80
  4. Step 4: Simplify right side
    154,502.20x = 11,432,807,444.94
  5. Step 5: Solve for x
    x = 11,432,807,444.94/154,502.20
  6. Step 6: Final answer
    x = 73,997.70

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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.