Home / 148,099.80-222,020.10-132,353.40

Finding the Fourth Proportional to 148,099.80, 222,020.10 and 132,353.40

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Solution

The fourth proportional to 148,099.80, 222,020.10 and 132,353.40 is: 198,414.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,099.80 : 222,020.10 = 132,353.40 : x
  2. Step 2: Convert to fraction form
    148,099.80/222,020.10 = 132,353.40/x
  3. Step 3: Cross multiply
    148,099.80x = 222,020.10 × 132,353.40
  4. Step 4: Simplify right side
    148,099.80x = 29,385,115,103.34
  5. Step 5: Solve for x
    x = 29,385,115,103.34/148,099.80
  6. Step 6: Final answer
    x = 198,414.28

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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.