Home / 140,757.72-194,247.26-80,336.52

Finding the Fourth Proportional to 140,757.72, 194,247.26 and 80,336.52

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Solution

The fourth proportional to 140,757.72, 194,247.26 and 80,336.52 is: 110,865.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,757.72 : 194,247.26 = 80,336.52 : x
  2. Step 2: Convert to fraction form
    140,757.72/194,247.26 = 80,336.52/x
  3. Step 3: Cross multiply
    140,757.72x = 194,247.26 × 80,336.52
  4. Step 4: Simplify right side
    140,757.72x = 15,605,148,887.94
  5. Step 5: Solve for x
    x = 15,605,148,887.94/140,757.72
  6. Step 6: Final answer
    x = 110,865.31

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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.