Home / 329,443.20-454,631.40-178,540.20

Finding the Fourth Proportional to 329,443.20, 454,631.40 and 178,540.20

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Solution

The fourth proportional to 329,443.20, 454,631.40 and 178,540.20 is: 246,385.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,443.20 : 454,631.40 = 178,540.20 : x
  2. Step 2: Convert to fraction form
    329,443.20/454,631.40 = 178,540.20/x
  3. Step 3: Cross multiply
    329,443.20x = 454,631.40 × 178,540.20
  4. Step 4: Simplify right side
    329,443.20x = 81,169,981,082.28
  5. Step 5: Solve for x
    x = 81,169,981,082.28/329,443.20
  6. Step 6: Final answer
    x = 246,385.36

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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.