Home / 140,912.02-194,454.56-80,481.41

Finding the Fourth Proportional to 140,912.02, 194,454.56 and 80,481.41

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Solution

The fourth proportional to 140,912.02, 194,454.56 and 80,481.41 is: 111,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,912.02 : 194,454.56 = 80,481.41 : x
  2. Step 2: Convert to fraction form
    140,912.02/194,454.56 = 80,481.41/x
  3. Step 3: Cross multiply
    140,912.02x = 194,454.56 × 80,481.41
  4. Step 4: Simplify right side
    140,912.02x = 15,649,977,169.73
  5. Step 5: Solve for x
    x = 15,649,977,169.73/140,912.02
  6. Step 6: Final answer
    x = 111,062.05

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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.