Home / 124,582.20-187,046.10-77,926.20

Finding the Fourth Proportional to 124,582.20, 187,046.10 and 77,926.20

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Solution

The fourth proportional to 124,582.20, 187,046.10 and 77,926.20 is: 116,997.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,582.20 : 187,046.10 = 77,926.20 : x
  2. Step 2: Convert to fraction form
    124,582.20/187,046.10 = 77,926.20/x
  3. Step 3: Cross multiply
    124,582.20x = 187,046.10 × 77,926.20
  4. Step 4: Simplify right side
    124,582.20x = 14,575,791,797.82
  5. Step 5: Solve for x
    x = 14,575,791,797.82/124,582.20
  6. Step 6: Final answer
    x = 116,997.39

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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.