Home / 140,689.02-194,169.34-80,245.82

Finding the Fourth Proportional to 140,689.02, 194,169.34 and 80,245.82

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Solution

The fourth proportional to 140,689.02, 194,169.34 and 80,245.82 is: 110,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,689.02 : 194,169.34 = 80,245.82 : x
  2. Step 2: Convert to fraction form
    140,689.02/194,169.34 = 80,245.82/x
  3. Step 3: Cross multiply
    140,689.02x = 194,169.34 × 80,245.82
  4. Step 4: Simplify right side
    140,689.02x = 15,581,277,907.16
  5. Step 5: Solve for x
    x = 15,581,277,907.16/140,689.02
  6. Step 6: Final answer
    x = 110,749.78

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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.