Home / 148,738.18-205,257.55-80,753.82

Finding the Fourth Proportional to 148,738.18, 205,257.55 and 80,753.82

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Solution

The fourth proportional to 148,738.18, 205,257.55 and 80,753.82 is: 111,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,738.18 : 205,257.55 = 80,753.82 : x
  2. Step 2: Convert to fraction form
    148,738.18/205,257.55 = 80,753.82/x
  3. Step 3: Cross multiply
    148,738.18x = 205,257.55 × 80,753.82
  4. Step 4: Simplify right side
    148,738.18x = 16,575,331,246.34
  5. Step 5: Solve for x
    x = 16,575,331,246.34/148,738.18
  6. Step 6: Final answer
    x = 111,439.65

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