Home / 140,666.01-194,134.69-80,251.55

Finding the Fourth Proportional to 140,666.01, 194,134.69 and 80,251.55

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Solution

The fourth proportional to 140,666.01, 194,134.69 and 80,251.55 is: 110,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,666.01 : 194,134.69 = 80,251.55 : x
  2. Step 2: Convert to fraction form
    140,666.01/194,134.69 = 80,251.55/x
  3. Step 3: Cross multiply
    140,666.01x = 194,134.69 × 80,251.55
  4. Step 4: Simplify right side
    140,666.01x = 15,579,609,781.27
  5. Step 5: Solve for x
    x = 15,579,609,781.27/140,666.01
  6. Step 6: Final answer
    x = 110,756.04

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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.