Home / 331,743.10-497,614.65-82,425.10

Finding the Fourth Proportional to 331,743.10, 497,614.65 and 82,425.10

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Solution

The fourth proportional to 331,743.10, 497,614.65 and 82,425.10 is: 123,637.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,743.10 : 497,614.65 = 82,425.10 : x
  2. Step 2: Convert to fraction form
    331,743.10/497,614.65 = 82,425.10/x
  3. Step 3: Cross multiply
    331,743.10x = 497,614.65 × 82,425.10
  4. Step 4: Simplify right side
    331,743.10x = 41,015,937,287.72
  5. Step 5: Solve for x
    x = 41,015,937,287.72/331,743.10
  6. Step 6: Final answer
    x = 123,637.65

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Similar ratio
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1.5x scale

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.