Home / 218,525.20-327,787.79-78,382.24

Finding the Fourth Proportional to 218,525.20, 327,787.79 and 78,382.24

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Solution

The fourth proportional to 218,525.20, 327,787.79 and 78,382.24 is: 117,573.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,525.20 : 327,787.79 = 78,382.24 : x
  2. Step 2: Convert to fraction form
    218,525.20/327,787.79 = 78,382.24/x
  3. Step 3: Cross multiply
    218,525.20x = 327,787.79 × 78,382.24
  4. Step 4: Simplify right side
    218,525.20x = 25,692,741,224.85
  5. Step 5: Solve for x
    x = 25,692,741,224.85/218,525.20
  6. Step 6: Final answer
    x = 117,573.36

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