Home / 195,876.87-270,366.13-115,351.10

Finding the Fourth Proportional to 195,876.87, 270,366.13 and 115,351.10

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Solution

The fourth proportional to 195,876.87, 270,366.13 and 115,351.10 is: 159,217.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,876.87 : 270,366.13 = 115,351.10 : x
  2. Step 2: Convert to fraction form
    195,876.87/270,366.13 = 115,351.10/x
  3. Step 3: Cross multiply
    195,876.87x = 270,366.13 × 115,351.10
  4. Step 4: Simplify right side
    195,876.87x = 31,187,029,921.49
  5. Step 5: Solve for x
    x = 31,187,029,921.49/195,876.87
  6. Step 6: Final answer
    x = 159,217.53

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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.