Home / 250,263.68-375,432.10-72,747.61

Finding the Fourth Proportional to 250,263.68, 375,432.10 and 72,747.61

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Solution

The fourth proportional to 250,263.68, 375,432.10 and 72,747.61 is: 109,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,263.68 : 375,432.10 = 72,747.61 : x
  2. Step 2: Convert to fraction form
    250,263.68/375,432.10 = 72,747.61/x
  3. Step 3: Cross multiply
    250,263.68x = 375,432.10 × 72,747.61
  4. Step 4: Simplify right side
    250,263.68x = 27,311,786,871.83
  5. Step 5: Solve for x
    x = 27,311,786,871.83/250,263.68
  6. Step 6: Final answer
    x = 109,132.05

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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.