Home / 140,014.20-193,219.92-79,585.23

Finding the Fourth Proportional to 140,014.20, 193,219.92 and 79,585.23

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Solution

The fourth proportional to 140,014.20, 193,219.92 and 79,585.23 is: 109,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,014.20 : 193,219.92 = 79,585.23 : x
  2. Step 2: Convert to fraction form
    140,014.20/193,219.92 = 79,585.23/x
  3. Step 3: Cross multiply
    140,014.20x = 193,219.92 × 79,585.23
  4. Step 4: Simplify right side
    140,014.20x = 15,377,451,773.78
  5. Step 5: Solve for x
    x = 15,377,451,773.78/140,014.20
  6. Step 6: Final answer
    x = 109,827.80

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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.