Home / 331,569.20-497,353.68-82,251.20

Finding the Fourth Proportional to 331,569.20, 497,353.68 and 82,251.20

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Solution

The fourth proportional to 331,569.20, 497,353.68 and 82,251.20 is: 123,376.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,569.20 : 497,353.68 = 82,251.20 : x
  2. Step 2: Convert to fraction form
    331,569.20/497,353.68 = 82,251.20/x
  3. Step 3: Cross multiply
    331,569.20x = 497,353.68 × 82,251.20
  4. Step 4: Simplify right side
    331,569.20x = 40,907,937,004.42
  5. Step 5: Solve for x
    x = 40,907,937,004.42/331,569.20
  6. Step 6: Final answer
    x = 123,376.77

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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.