Home / 198,223.20-296,727.30-109,204.20

Finding the Fourth Proportional to 198,223.20, 296,727.30 and 109,204.20

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Solution

The fourth proportional to 198,223.20, 296,727.30 and 109,204.20 is: 163,471.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,223.20 : 296,727.30 = 109,204.20 : x
  2. Step 2: Convert to fraction form
    198,223.20/296,727.30 = 109,204.20/x
  3. Step 3: Cross multiply
    198,223.20x = 296,727.30 × 109,204.20
  4. Step 4: Simplify right side
    198,223.20x = 32,403,867,414.66
  5. Step 5: Solve for x
    x = 32,403,867,414.66/198,223.20
  6. Step 6: Final answer
    x = 163,471.62

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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.