Home / 125,637.20-173,419.73-80,436.92

Finding the Fourth Proportional to 125,637.20, 173,419.73 and 80,436.92

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Solution

The fourth proportional to 125,637.20, 173,419.73 and 80,436.92 is: 111,028.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,637.20 : 173,419.73 = 80,436.92 : x
  2. Step 2: Convert to fraction form
    125,637.20/173,419.73 = 80,436.92/x
  3. Step 3: Cross multiply
    125,637.20x = 173,419.73 × 80,436.92
  4. Step 4: Simplify right side
    125,637.20x = 13,949,347,679.15
  5. Step 5: Solve for x
    x = 13,949,347,679.15/125,637.20
  6. Step 6: Final answer
    x = 111,028.81

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