Home / 192,431.08-288,439.26-109,279.72

Finding the Fourth Proportional to 192,431.08, 288,439.26 and 109,279.72

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Solution

The fourth proportional to 192,431.08, 288,439.26 and 109,279.72 is: 163,801.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,431.08 : 288,439.26 = 109,279.72 : x
  2. Step 2: Convert to fraction form
    192,431.08/288,439.26 = 109,279.72/x
  3. Step 3: Cross multiply
    192,431.08x = 288,439.26 × 109,279.72
  4. Step 4: Simplify right side
    192,431.08x = 31,520,561,569.81
  5. Step 5: Solve for x
    x = 31,520,561,569.81/192,431.08
  6. Step 6: Final answer
    x = 163,801.82

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