Home / 275,910.18-414,022.55-107,408.72

Finding the Fourth Proportional to 275,910.18, 414,022.55 and 107,408.72

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Solution

The fourth proportional to 275,910.18, 414,022.55 and 107,408.72 is: 161,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,910.18 : 414,022.55 = 107,408.72 : x
  2. Step 2: Convert to fraction form
    275,910.18/414,022.55 = 107,408.72/x
  3. Step 3: Cross multiply
    275,910.18x = 414,022.55 × 107,408.72
  4. Step 4: Simplify right side
    275,910.18x = 44,469,629,539.48
  5. Step 5: Solve for x
    x = 44,469,629,539.48/275,910.18
  6. Step 6: Final answer
    x = 161,174.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.