Home / 99,408.20-149,015.10-88,910.60

Finding the Fourth Proportional to 99,408.20, 149,015.10 and 88,910.60

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Solution

The fourth proportional to 99,408.20, 149,015.10 and 88,910.60 is: 133,278.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,408.20 : 149,015.10 = 88,910.60 : x
  2. Step 2: Convert to fraction form
    99,408.20/149,015.10 = 88,910.60/x
  3. Step 3: Cross multiply
    99,408.20x = 149,015.10 × 88,910.60
  4. Step 4: Simplify right side
    99,408.20x = 13,249,021,950.06
  5. Step 5: Solve for x
    x = 13,249,021,950.06/99,408.20
  6. Step 6: Final answer
    x = 133,278.96

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