Home / 250,614.28-376,108.20-100,855.80

Finding the Fourth Proportional to 250,614.28, 376,108.20 and 100,855.80

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Solution

The fourth proportional to 250,614.28, 376,108.20 and 100,855.80 is: 151,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,614.28 : 376,108.20 = 100,855.80 : x
  2. Step 2: Convert to fraction form
    250,614.28/376,108.20 = 100,855.80/x
  3. Step 3: Cross multiply
    250,614.28x = 376,108.20 × 100,855.80
  4. Step 4: Simplify right side
    250,614.28x = 37,932,693,397.56
  5. Step 5: Solve for x
    x = 37,932,693,397.56/250,614.28
  6. Step 6: Final answer
    x = 151,358.87

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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.