Home / 148,039.70-221,411.55-132,358.10

Finding the Fourth Proportional to 148,039.70, 221,411.55 and 132,358.10

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Solution

The fourth proportional to 148,039.70, 221,411.55 and 132,358.10 is: 197,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,039.70 : 221,411.55 = 132,358.10 : x
  2. Step 2: Convert to fraction form
    148,039.70/221,411.55 = 132,358.10/x
  3. Step 3: Cross multiply
    148,039.70x = 221,411.55 × 132,358.10
  4. Step 4: Simplify right side
    148,039.70x = 29,305,612,076.06
  5. Step 5: Solve for x
    x = 29,305,612,076.06/148,039.70
  6. Step 6: Final answer
    x = 197,957.79

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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.