Home / 140,933.60-194,489.96-80,512.24

Finding the Fourth Proportional to 140,933.60, 194,489.96 and 80,512.24

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Solution

The fourth proportional to 140,933.60, 194,489.96 and 80,512.24 is: 111,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,933.60 : 194,489.96 = 80,512.24 : x
  2. Step 2: Convert to fraction form
    140,933.60/194,489.96 = 80,512.24/x
  3. Step 3: Cross multiply
    140,933.60x = 194,489.96 × 80,512.24
  4. Step 4: Simplify right side
    140,933.60x = 15,658,822,337.11
  5. Step 5: Solve for x
    x = 15,658,822,337.11/140,933.60
  6. Step 6: Final answer
    x = 111,107.80

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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.