Home / 239,660.76-330,730.92-132,237.48

Finding the Fourth Proportional to 239,660.76, 330,730.92 and 132,237.48

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Solution

The fourth proportional to 239,660.76, 330,730.92 and 132,237.48 is: 182,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,660.76 : 330,730.92 = 132,237.48 : x
  2. Step 2: Convert to fraction form
    239,660.76/330,730.92 = 132,237.48/x
  3. Step 3: Cross multiply
    239,660.76x = 330,730.92 × 132,237.48
  4. Step 4: Simplify right side
    239,660.76x = 43,735,023,418.88
  5. Step 5: Solve for x
    x = 43,735,023,418.88/239,660.76
  6. Step 6: Final answer
    x = 182,487.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.