Home / 178,708.35-267,983.79-83,965.47

Finding the Fourth Proportional to 178,708.35, 267,983.79 and 83,965.47

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Solution

The fourth proportional to 178,708.35, 267,983.79 and 83,965.47 is: 125,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,708.35 : 267,983.79 = 83,965.47 : x
  2. Step 2: Convert to fraction form
    178,708.35/267,983.79 = 83,965.47/x
  3. Step 3: Cross multiply
    178,708.35x = 267,983.79 × 83,965.47
  4. Step 4: Simplify right side
    178,708.35x = 22,501,384,879.73
  5. Step 5: Solve for x
    x = 22,501,384,879.73/178,708.35
  6. Step 6: Final answer
    x = 125,911.21

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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.