Home / 107,788.20-161,682.30-102,949.80

Finding the Fourth Proportional to 107,788.20, 161,682.30 and 102,949.80

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Solution

The fourth proportional to 107,788.20, 161,682.30 and 102,949.80 is: 154,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,788.20 : 161,682.30 = 102,949.80 : x
  2. Step 2: Convert to fraction form
    107,788.20/161,682.30 = 102,949.80/x
  3. Step 3: Cross multiply
    107,788.20x = 161,682.30 × 102,949.80
  4. Step 4: Simplify right side
    107,788.20x = 16,645,160,448.54
  5. Step 5: Solve for x
    x = 16,645,160,448.54/107,788.20
  6. Step 6: Final answer
    x = 154,424.70

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