Home / 229,545.60-316,765.35-126,180.15

Finding the Fourth Proportional to 229,545.60, 316,765.35 and 126,180.15

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Solution

The fourth proportional to 229,545.60, 316,765.35 and 126,180.15 is: 174,124.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,545.60 : 316,765.35 = 126,180.15 : x
  2. Step 2: Convert to fraction form
    229,545.60/316,765.35 = 126,180.15/x
  3. Step 3: Cross multiply
    229,545.60x = 316,765.35 × 126,180.15
  4. Step 4: Simplify right side
    229,545.60x = 39,969,498,189.93
  5. Step 5: Solve for x
    x = 39,969,498,189.93/229,545.60
  6. Step 6: Final answer
    x = 174,124.44

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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.