Home / 140,983.22-194,567.15-80,552.55

Finding the Fourth Proportional to 140,983.22, 194,567.15 and 80,552.55

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Solution

The fourth proportional to 140,983.22, 194,567.15 and 80,552.55 is: 111,168.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,983.22 : 194,567.15 = 80,552.55 : x
  2. Step 2: Convert to fraction form
    140,983.22/194,567.15 = 80,552.55/x
  3. Step 3: Cross multiply
    140,983.22x = 194,567.15 × 80,552.55
  4. Step 4: Simplify right side
    140,983.22x = 15,672,879,675.97
  5. Step 5: Solve for x
    x = 15,672,879,675.97/140,983.22
  6. Step 6: Final answer
    x = 111,168.41

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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.