Home / 140,755.43-194,211.28-83,366.12

Finding the Fourth Proportional to 140,755.43, 194,211.28 and 83,366.12

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Solution

The fourth proportional to 140,755.43, 194,211.28 and 83,366.12 is: 115,026.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,755.43 : 194,211.28 = 83,366.12 : x
  2. Step 2: Convert to fraction form
    140,755.43/194,211.28 = 83,366.12/x
  3. Step 3: Cross multiply
    140,755.43x = 194,211.28 × 83,366.12
  4. Step 4: Simplify right side
    140,755.43x = 16,190,640,873.83
  5. Step 5: Solve for x
    x = 16,190,640,873.83/140,755.43
  6. Step 6: Final answer
    x = 115,026.76

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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.