Home / 182,778.80-274,168.20-129,634.70

Finding the Fourth Proportional to 182,778.80, 274,168.20 and 129,634.70

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Solution

The fourth proportional to 182,778.80, 274,168.20 and 129,634.70 is: 194,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,778.80 : 274,168.20 = 129,634.70 : x
  2. Step 2: Convert to fraction form
    182,778.80/274,168.20 = 129,634.70/x
  3. Step 3: Cross multiply
    182,778.80x = 274,168.20 × 129,634.70
  4. Step 4: Simplify right side
    182,778.80x = 35,541,712,356.54
  5. Step 5: Solve for x
    x = 35,541,712,356.54/182,778.80
  6. Step 6: Final answer
    x = 194,452.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.