Home / 140,793.02-194,246.86-80,321.12

Finding the Fourth Proportional to 140,793.02, 194,246.86 and 80,321.12

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Solution

The fourth proportional to 140,793.02, 194,246.86 and 80,321.12 is: 110,816.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,793.02 : 194,246.86 = 80,321.12 : x
  2. Step 2: Convert to fraction form
    140,793.02/194,246.86 = 80,321.12/x
  3. Step 3: Cross multiply
    140,793.02x = 194,246.86 × 80,321.12
  4. Step 4: Simplify right side
    140,793.02x = 15,602,125,351.68
  5. Step 5: Solve for x
    x = 15,602,125,351.68/140,793.02
  6. Step 6: Final answer
    x = 110,816.04

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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.