Home / 140,766.20-194,209.14-80,293.16

Finding the Fourth Proportional to 140,766.20, 194,209.14 and 80,293.16

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Solution

The fourth proportional to 140,766.20, 194,209.14 and 80,293.16 is: 110,777.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,766.20 : 194,209.14 = 80,293.16 : x
  2. Step 2: Convert to fraction form
    140,766.20/194,209.14 = 80,293.16/x
  3. Step 3: Cross multiply
    140,766.20x = 194,209.14 × 80,293.16
  4. Step 4: Simplify right side
    140,766.20x = 15,593,665,551.48
  5. Step 5: Solve for x
    x = 15,593,665,551.48/140,766.20
  6. Step 6: Final answer
    x = 110,777.06

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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.