Home / 140,757.93-194,259.89-80,337.70

Finding the Fourth Proportional to 140,757.93, 194,259.89 and 80,337.70

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Solution

The fourth proportional to 140,757.93, 194,259.89 and 80,337.70 is: 110,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,757.93 : 194,259.89 = 80,337.70 : x
  2. Step 2: Convert to fraction form
    140,757.93/194,259.89 = 80,337.70/x
  3. Step 3: Cross multiply
    140,757.93x = 194,259.89 × 80,337.70
  4. Step 4: Simplify right side
    140,757.93x = 15,606,392,480.05
  5. Step 5: Solve for x
    x = 15,606,392,480.05/140,757.93
  6. Step 6: Final answer
    x = 110,873.98

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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.