Home / 140,891.24-194,449.82-87,193.55

Finding the Fourth Proportional to 140,891.24, 194,449.82 and 87,193.55

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Solution

The fourth proportional to 140,891.24, 194,449.82 and 87,193.55 is: 120,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,891.24 : 194,449.82 = 87,193.55 : x
  2. Step 2: Convert to fraction form
    140,891.24/194,449.82 = 87,193.55/x
  3. Step 3: Cross multiply
    140,891.24x = 194,449.82 × 87,193.55
  4. Step 4: Simplify right side
    140,891.24x = 16,954,768,694.44
  5. Step 5: Solve for x
    x = 16,954,768,694.44/140,891.24
  6. Step 6: Final answer
    x = 120,339.41

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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.