Home / 331,628.31-457,517.16-204,082.47

Finding the Fourth Proportional to 331,628.31, 457,517.16 and 204,082.47

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Solution

The fourth proportional to 331,628.31, 457,517.16 and 204,082.47 is: 281,553.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,628.31 : 457,517.16 = 204,082.47 : x
  2. Step 2: Convert to fraction form
    331,628.31/457,517.16 = 204,082.47/x
  3. Step 3: Cross multiply
    331,628.31x = 457,517.16 × 204,082.47
  4. Step 4: Simplify right side
    331,628.31x = 93,371,232,080.19
  5. Step 5: Solve for x
    x = 93,371,232,080.19/331,628.31
  6. Step 6: Final answer
    x = 281,553.86

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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.