Home / 331,630.31-457,519.92-204,084.47

Finding the Fourth Proportional to 331,630.31, 457,519.92 and 204,084.47

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Solution

The fourth proportional to 331,630.31, 457,519.92 and 204,084.47 is: 281,556.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,630.31 : 457,519.92 = 204,084.47 : x
  2. Step 2: Convert to fraction form
    331,630.31/457,519.92 = 204,084.47/x
  3. Step 3: Cross multiply
    331,630.31x = 457,519.92 × 204,084.47
  4. Step 4: Simplify right side
    331,630.31x = 93,372,710,387.64
  5. Step 5: Solve for x
    x = 93,372,710,387.64/331,630.31
  6. Step 6: Final answer
    x = 281,556.62

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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.