Home / 329,378.73-454,546.20-193,414.29

Finding the Fourth Proportional to 329,378.73, 454,546.20 and 193,414.29

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Solution

The fourth proportional to 329,378.73, 454,546.20 and 193,414.29 is: 266,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,378.73 : 454,546.20 = 193,414.29 : x
  2. Step 2: Convert to fraction form
    329,378.73/454,546.20 = 193,414.29/x
  3. Step 3: Cross multiply
    329,378.73x = 454,546.20 × 193,414.29
  4. Step 4: Simplify right side
    329,378.73x = 87,915,730,545.20
  5. Step 5: Solve for x
    x = 87,915,730,545.20/329,378.73
  6. Step 6: Final answer
    x = 266,913.81

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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.