Home / 131,959.98-182,104.11-71,530.38

Finding the Fourth Proportional to 131,959.98, 182,104.11 and 71,530.38

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Solution

The fourth proportional to 131,959.98, 182,104.11 and 71,530.38 is: 98,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,959.98 : 182,104.11 = 71,530.38 : x
  2. Step 2: Convert to fraction form
    131,959.98/182,104.11 = 71,530.38/x
  3. Step 3: Cross multiply
    131,959.98x = 182,104.11 × 71,530.38
  4. Step 4: Simplify right side
    131,959.98x = 13,025,976,187.86
  5. Step 5: Solve for x
    x = 13,025,976,187.86/131,959.98
  6. Step 6: Final answer
    x = 98,711.57

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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.