Home / 198,341.52-273,642.90-126,763.44

Finding the Fourth Proportional to 198,341.52, 273,642.90 and 126,763.44

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Solution

The fourth proportional to 198,341.52, 273,642.90 and 126,763.44 is: 174,889.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,341.52 : 273,642.90 = 126,763.44 : x
  2. Step 2: Convert to fraction form
    198,341.52/273,642.90 = 126,763.44/x
  3. Step 3: Cross multiply
    198,341.52x = 273,642.90 × 126,763.44
  4. Step 4: Simplify right side
    198,341.52x = 34,687,915,335.58
  5. Step 5: Solve for x
    x = 34,687,915,335.58/198,341.52
  6. Step 6: Final answer
    x = 174,889.83

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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.