Home / 124,672.10-187,125.60-65,550.20

Finding the Fourth Proportional to 124,672.10, 187,125.60 and 65,550.20

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Solution

The fourth proportional to 124,672.10, 187,125.60 and 65,550.20 is: 98,387.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,672.10 : 187,125.60 = 65,550.20 : x
  2. Step 2: Convert to fraction form
    124,672.10/187,125.60 = 65,550.20/x
  3. Step 3: Cross multiply
    124,672.10x = 187,125.60 × 65,550.20
  4. Step 4: Simplify right side
    124,672.10x = 12,266,120,505.12
  5. Step 5: Solve for x
    x = 12,266,120,505.12/124,672.10
  6. Step 6: Final answer
    x = 98,387.05

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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.