Home / 140,599.20-194,025.12-80,167.80

Finding the Fourth Proportional to 140,599.20, 194,025.12 and 80,167.80

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Solution

The fourth proportional to 140,599.20, 194,025.12 and 80,167.80 is: 110,630.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,599.20 : 194,025.12 = 80,167.80 : x
  2. Step 2: Convert to fraction form
    140,599.20/194,025.12 = 80,167.80/x
  3. Step 3: Cross multiply
    140,599.20x = 194,025.12 × 80,167.80
  4. Step 4: Simplify right side
    140,599.20x = 15,554,567,015.14
  5. Step 5: Solve for x
    x = 15,554,567,015.14/140,599.20
  6. Step 6: Final answer
    x = 110,630.55

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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.