Home / 124,229.20-171,451.72-70,531.60

Finding the Fourth Proportional to 124,229.20, 171,451.72 and 70,531.60

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Solution

The fourth proportional to 124,229.20, 171,451.72 and 70,531.60 is: 97,342.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,229.20 : 171,451.72 = 70,531.60 : x
  2. Step 2: Convert to fraction form
    124,229.20/171,451.72 = 70,531.60/x
  3. Step 3: Cross multiply
    124,229.20x = 171,451.72 × 70,531.60
  4. Step 4: Simplify right side
    124,229.20x = 12,092,764,134.35
  5. Step 5: Solve for x
    x = 12,092,764,134.35/124,229.20
  6. Step 6: Final answer
    x = 97,342.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.