Home / 140,717.55-194,186.46-80,287.10

Finding the Fourth Proportional to 140,717.55, 194,186.46 and 80,287.10

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Solution

The fourth proportional to 140,717.55, 194,186.46 and 80,287.10 is: 110,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,717.55 : 194,186.46 = 80,287.10 : x
  2. Step 2: Convert to fraction form
    140,717.55/194,186.46 = 80,287.10/x
  3. Step 3: Cross multiply
    140,717.55x = 194,186.46 × 80,287.10
  4. Step 4: Simplify right side
    140,717.55x = 15,590,667,791.01
  5. Step 5: Solve for x
    x = 15,590,667,791.01/140,717.55
  6. Step 6: Final answer
    x = 110,794.05

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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.