Home / 195,716.76-269,990.32-115,092.96

Finding the Fourth Proportional to 195,716.76, 269,990.32 and 115,092.96

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Solution

The fourth proportional to 195,716.76, 269,990.32 and 115,092.96 is: 158,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,716.76 : 269,990.32 = 115,092.96 : x
  2. Step 2: Convert to fraction form
    195,716.76/269,990.32 = 115,092.96/x
  3. Step 3: Cross multiply
    195,716.76x = 269,990.32 × 115,092.96
  4. Step 4: Simplify right side
    195,716.76x = 31,073,985,100.15
  5. Step 5: Solve for x
    x = 31,073,985,100.15/195,716.76
  6. Step 6: Final answer
    x = 158,770.18

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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.