Home / 240,481.54-360,718.65-82,711.36

Finding the Fourth Proportional to 240,481.54, 360,718.65 and 82,711.36

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Solution

The fourth proportional to 240,481.54, 360,718.65 and 82,711.36 is: 124,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,481.54 : 360,718.65 = 82,711.36 : x
  2. Step 2: Convert to fraction form
    240,481.54/360,718.65 = 82,711.36/x
  3. Step 3: Cross multiply
    240,481.54x = 360,718.65 × 82,711.36
  4. Step 4: Simplify right side
    240,481.54x = 29,835,530,118.86
  5. Step 5: Solve for x
    x = 29,835,530,118.86/240,481.54
  6. Step 6: Final answer
    x = 124,065.78

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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.