Home / 126,251.60-174,227.11-80,929.55

Finding the Fourth Proportional to 126,251.60, 174,227.11 and 80,929.55

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Solution

The fourth proportional to 126,251.60, 174,227.11 and 80,929.55 is: 111,682.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,251.60 : 174,227.11 = 80,929.55 : x
  2. Step 2: Convert to fraction form
    126,251.60/174,227.11 = 80,929.55/x
  3. Step 3: Cross multiply
    126,251.60x = 174,227.11 × 80,929.55
  4. Step 4: Simplify right side
    126,251.60x = 14,100,121,843.34
  5. Step 5: Solve for x
    x = 14,100,121,843.34/126,251.60
  6. Step 6: Final answer
    x = 111,682.72

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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.