Home / 148,194.75-204,508.77-81,126.75

Finding the Fourth Proportional to 148,194.75, 204,508.77 and 81,126.75

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Solution

The fourth proportional to 148,194.75, 204,508.77 and 81,126.75 is: 111,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,194.75 : 204,508.77 = 81,126.75 : x
  2. Step 2: Convert to fraction form
    148,194.75/204,508.77 = 81,126.75/x
  3. Step 3: Cross multiply
    148,194.75x = 204,508.77 × 81,126.75
  4. Step 4: Simplify right side
    148,194.75x = 16,591,131,450.96
  5. Step 5: Solve for x
    x = 16,591,131,450.96/148,194.75
  6. Step 6: Final answer
    x = 111,954.92

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1.5x scale

Why These Related Problems?

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