Home / 185,986.44-278,982.82-80,805.44

Finding the Fourth Proportional to 185,986.44, 278,982.82 and 80,805.44

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Solution

The fourth proportional to 185,986.44, 278,982.82 and 80,805.44 is: 121,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,986.44 : 278,982.82 = 80,805.44 : x
  2. Step 2: Convert to fraction form
    185,986.44/278,982.82 = 80,805.44/x
  3. Step 3: Cross multiply
    185,986.44x = 278,982.82 × 80,805.44
  4. Step 4: Simplify right side
    185,986.44x = 22,543,329,522.54
  5. Step 5: Solve for x
    x = 22,543,329,522.54/185,986.44
  6. Step 6: Final answer
    x = 121,209.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.