Home / 124,932.60-187,269.30-68,686.20

Finding the Fourth Proportional to 124,932.60, 187,269.30 and 68,686.20

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Solution

The fourth proportional to 124,932.60, 187,269.30 and 68,686.20 is: 102,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,932.60 : 187,269.30 = 68,686.20 : x
  2. Step 2: Convert to fraction form
    124,932.60/187,269.30 = 68,686.20/x
  3. Step 3: Cross multiply
    124,932.60x = 187,269.30 × 68,686.20
  4. Step 4: Simplify right side
    124,932.60x = 12,862,816,593.66
  5. Step 5: Solve for x
    x = 12,862,816,593.66/124,932.60
  6. Step 6: Final answer
    x = 102,958.05

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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.