Home / 148,098.80-221,856.60-88,758.20

Finding the Fourth Proportional to 148,098.80, 221,856.60 and 88,758.20

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Solution

The fourth proportional to 148,098.80, 221,856.60 and 88,758.20 is: 132,962.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,098.80 : 221,856.60 = 88,758.20 : x
  2. Step 2: Convert to fraction form
    148,098.80/221,856.60 = 88,758.20/x
  3. Step 3: Cross multiply
    148,098.80x = 221,856.60 × 88,758.20
  4. Step 4: Simplify right side
    148,098.80x = 19,691,592,474.12
  5. Step 5: Solve for x
    x = 19,691,592,474.12/148,098.80
  6. Step 6: Final answer
    x = 132,962.54

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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.