Home / 99,530.20-149,295.30-73,286.20

Finding the Fourth Proportional to 99,530.20, 149,295.30 and 73,286.20

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Solution

The fourth proportional to 99,530.20, 149,295.30 and 73,286.20 is: 109,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,530.20 : 149,295.30 = 73,286.20 : x
  2. Step 2: Convert to fraction form
    99,530.20/149,295.30 = 73,286.20/x
  3. Step 3: Cross multiply
    99,530.20x = 149,295.30 × 73,286.20
  4. Step 4: Simplify right side
    99,530.20x = 10,941,285,214.86
  5. Step 5: Solve for x
    x = 10,941,285,214.86/99,530.20
  6. Step 6: Final answer
    x = 109,929.30

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