Home / 140,230.13-193,515.15-79,799.52

Finding the Fourth Proportional to 140,230.13, 193,515.15 and 79,799.52

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Solution

The fourth proportional to 140,230.13, 193,515.15 and 79,799.52 is: 110,121.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,230.13 : 193,515.15 = 79,799.52 : x
  2. Step 2: Convert to fraction form
    140,230.13/193,515.15 = 79,799.52/x
  3. Step 3: Cross multiply
    140,230.13x = 193,515.15 × 79,799.52
  4. Step 4: Simplify right side
    140,230.13x = 15,442,416,082.73
  5. Step 5: Solve for x
    x = 15,442,416,082.73/140,230.13
  6. Step 6: Final answer
    x = 110,121.96

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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.