Home / 239,900.46-359,456.82-82,042.80

Finding the Fourth Proportional to 239,900.46, 359,456.82 and 82,042.80

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Solution

The fourth proportional to 239,900.46, 359,456.82 and 82,042.80 is: 122,929.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,900.46 : 359,456.82 = 82,042.80 : x
  2. Step 2: Convert to fraction form
    239,900.46/359,456.82 = 82,042.80/x
  3. Step 3: Cross multiply
    239,900.46x = 359,456.82 × 82,042.80
  4. Step 4: Simplify right side
    239,900.46x = 29,490,843,991.90
  5. Step 5: Solve for x
    x = 29,490,843,991.90/239,900.46
  6. Step 6: Final answer
    x = 122,929.50

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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.