Home / 148,512.30-222,768.45-55,005.90

Finding the Fourth Proportional to 148,512.30, 222,768.45 and 55,005.90

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Solution

The fourth proportional to 148,512.30, 222,768.45 and 55,005.90 is: 82,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,512.30 : 222,768.45 = 55,005.90 : x
  2. Step 2: Convert to fraction form
    148,512.30/222,768.45 = 55,005.90/x
  3. Step 3: Cross multiply
    148,512.30x = 222,768.45 × 55,005.90
  4. Step 4: Simplify right side
    148,512.30x = 12,253,579,083.86
  5. Step 5: Solve for x
    x = 12,253,579,083.86/148,512.30
  6. Step 6: Final answer
    x = 82,508.85

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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.