Home / 127,067.27-175,351.19-72,618.83

Finding the Fourth Proportional to 127,067.27, 175,351.19 and 72,618.83

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Solution

The fourth proportional to 127,067.27, 175,351.19 and 72,618.83 is: 100,213.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,067.27 : 175,351.19 = 72,618.83 : x
  2. Step 2: Convert to fraction form
    127,067.27/175,351.19 = 72,618.83/x
  3. Step 3: Cross multiply
    127,067.27x = 175,351.19 × 72,618.83
  4. Step 4: Simplify right side
    127,067.27x = 12,733,797,380.15
  5. Step 5: Solve for x
    x = 12,733,797,380.15/127,067.27
  6. Step 6: Final answer
    x = 100,213.04

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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.