Home / 124,876.10-187,314.15-40,644.20

Finding the Fourth Proportional to 124,876.10, 187,314.15 and 40,644.20

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Solution

The fourth proportional to 124,876.10, 187,314.15 and 40,644.20 is: 60,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,876.10 : 187,314.15 = 40,644.20 : x
  2. Step 2: Convert to fraction form
    124,876.10/187,314.15 = 40,644.20/x
  3. Step 3: Cross multiply
    124,876.10x = 187,314.15 × 40,644.20
  4. Step 4: Simplify right side
    124,876.10x = 7,613,233,775.43
  5. Step 5: Solve for x
    x = 7,613,233,775.43/124,876.10
  6. Step 6: Final answer
    x = 60,966.30

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1.5x scale

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.