Home / 126,984.78-175,229.55-69,614.91

Finding the Fourth Proportional to 126,984.78, 175,229.55 and 69,614.91

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Solution

The fourth proportional to 126,984.78, 175,229.55 and 69,614.91 is: 96,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,984.78 : 175,229.55 = 69,614.91 : x
  2. Step 2: Convert to fraction form
    126,984.78/175,229.55 = 69,614.91/x
  3. Step 3: Cross multiply
    126,984.78x = 175,229.55 × 69,614.91
  4. Step 4: Simplify right side
    126,984.78x = 12,198,589,352.59
  5. Step 5: Solve for x
    x = 12,198,589,352.59/126,984.78
  6. Step 6: Final answer
    x = 96,063.40

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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.