Home / 187,215.20-280,847.10-92,493.80

Finding the Fourth Proportional to 187,215.20, 280,847.10 and 92,493.80

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Solution

The fourth proportional to 187,215.20, 280,847.10 and 92,493.80 is: 138,752.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,215.20 : 280,847.10 = 92,493.80 : x
  2. Step 2: Convert to fraction form
    187,215.20/280,847.10 = 92,493.80/x
  3. Step 3: Cross multiply
    187,215.20x = 280,847.10 × 92,493.80
  4. Step 4: Simplify right side
    187,215.20x = 25,976,615,497.98
  5. Step 5: Solve for x
    x = 25,976,615,497.98/187,215.20
  6. Step 6: Final answer
    x = 138,752.71

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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.