Home / 170,738.28-235,618.95-95,286.78

Finding the Fourth Proportional to 170,738.28, 235,618.95 and 95,286.78

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Solution

The fourth proportional to 170,738.28, 235,618.95 and 95,286.78 is: 131,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,738.28 : 235,618.95 = 95,286.78 : x
  2. Step 2: Convert to fraction form
    170,738.28/235,618.95 = 95,286.78/x
  3. Step 3: Cross multiply
    170,738.28x = 235,618.95 × 95,286.78
  4. Step 4: Simplify right side
    170,738.28x = 22,451,371,052.48
  5. Step 5: Solve for x
    x = 22,451,371,052.48/170,738.28
  6. Step 6: Final answer
    x = 131,495.83

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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.