Home / 140,660.96-194,107.26-80,251.16

Finding the Fourth Proportional to 140,660.96, 194,107.26 and 80,251.16

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Solution

The fourth proportional to 140,660.96, 194,107.26 and 80,251.16 is: 110,743.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,660.96 : 194,107.26 = 80,251.16 : x
  2. Step 2: Convert to fraction form
    140,660.96/194,107.26 = 80,251.16/x
  3. Step 3: Cross multiply
    140,660.96x = 194,107.26 × 80,251.16
  4. Step 4: Simplify right side
    140,660.96x = 15,577,332,779.42
  5. Step 5: Solve for x
    x = 15,577,332,779.42/140,660.96
  6. Step 6: Final answer
    x = 110,743.83

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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.