Home / 331,664.20-497,496.30-82,346.20

Finding the Fourth Proportional to 331,664.20, 497,496.30 and 82,346.20

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Solution

The fourth proportional to 331,664.20, 497,496.30 and 82,346.20 is: 123,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,664.20 : 497,496.30 = 82,346.20 : x
  2. Step 2: Convert to fraction form
    331,664.20/497,496.30 = 82,346.20/x
  3. Step 3: Cross multiply
    331,664.20x = 497,496.30 × 82,346.20
  4. Step 4: Simplify right side
    331,664.20x = 40,966,929,819.06
  5. Step 5: Solve for x
    x = 40,966,929,819.06/331,664.20
  6. Step 6: Final answer
    x = 123,519.30

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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.