Home / 122,918.40-184,183.20-103,089.60

Finding the Fourth Proportional to 122,918.40, 184,183.20 and 103,089.60

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Solution

The fourth proportional to 122,918.40, 184,183.20 and 103,089.60 is: 154,471.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,918.40 : 184,183.20 = 103,089.60 : x
  2. Step 2: Convert to fraction form
    122,918.40/184,183.20 = 103,089.60/x
  3. Step 3: Cross multiply
    122,918.40x = 184,183.20 × 103,089.60
  4. Step 4: Simplify right side
    122,918.40x = 18,987,372,414.72
  5. Step 5: Solve for x
    x = 18,987,372,414.72/122,918.40
  6. Step 6: Final answer
    x = 154,471.36

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