Home / 331,340.75-497,011.13-82,022.75

Finding the Fourth Proportional to 331,340.75, 497,011.13 and 82,022.75

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Solution

The fourth proportional to 331,340.75, 497,011.13 and 82,022.75 is: 123,034.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,340.75 : 497,011.13 = 82,022.75 : x
  2. Step 2: Convert to fraction form
    331,340.75/497,011.13 = 82,022.75/x
  3. Step 3: Cross multiply
    331,340.75x = 497,011.13 × 82,022.75
  4. Step 4: Simplify right side
    331,340.75x = 40,766,219,663.21
  5. Step 5: Solve for x
    x = 40,766,219,663.21/331,340.75
  6. Step 6: Final answer
    x = 123,034.13

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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.