Home / 126,712.53-174,856.17-69,351.73

Finding the Fourth Proportional to 126,712.53, 174,856.17 and 69,351.73

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Solution

The fourth proportional to 126,712.53, 174,856.17 and 69,351.73 is: 95,701.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,712.53 : 174,856.17 = 69,351.73 : x
  2. Step 2: Convert to fraction form
    126,712.53/174,856.17 = 69,351.73/x
  3. Step 3: Cross multiply
    126,712.53x = 174,856.17 × 69,351.73
  4. Step 4: Simplify right side
    126,712.53x = 12,126,577,543.92
  5. Step 5: Solve for x
    x = 12,126,577,543.92/126,712.53
  6. Step 6: Final answer
    x = 95,701.49

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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.