Home / 150,723.32-225,951.86-115,342.61

Finding the Fourth Proportional to 150,723.32, 225,951.86 and 115,342.61

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Solution

The fourth proportional to 150,723.32, 225,951.86 and 115,342.61 is: 172,912.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,723.32 : 225,951.86 = 115,342.61 : x
  2. Step 2: Convert to fraction form
    150,723.32/225,951.86 = 115,342.61/x
  3. Step 3: Cross multiply
    150,723.32x = 225,951.86 × 115,342.61
  4. Step 4: Simplify right side
    150,723.32x = 26,061,875,560.28
  5. Step 5: Solve for x
    x = 26,061,875,560.28/150,723.32
  6. Step 6: Final answer
    x = 172,912.04

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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.