Home / 147,917.52-204,126.28-80,849.52

Finding the Fourth Proportional to 147,917.52, 204,126.28 and 80,849.52

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Solution

The fourth proportional to 147,917.52, 204,126.28 and 80,849.52 is: 111,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,917.52 : 204,126.28 = 80,849.52 : x
  2. Step 2: Convert to fraction form
    147,917.52/204,126.28 = 80,849.52/x
  3. Step 3: Cross multiply
    147,917.52x = 204,126.28 × 80,849.52
  4. Step 4: Simplify right side
    147,917.52x = 16,503,511,757.39
  5. Step 5: Solve for x
    x = 16,503,511,757.39/147,917.52
  6. Step 6: Final answer
    x = 111,572.39

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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.