Home / 274,919.05-412,249.15-106,518.25

Finding the Fourth Proportional to 274,919.05, 412,249.15 and 106,518.25

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Solution

The fourth proportional to 274,919.05, 412,249.15 and 106,518.25 is: 159,727.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,919.05 : 412,249.15 = 106,518.25 : x
  2. Step 2: Convert to fraction form
    274,919.05/412,249.15 = 106,518.25/x
  3. Step 3: Cross multiply
    274,919.05x = 412,249.15 × 106,518.25
  4. Step 4: Simplify right side
    274,919.05x = 43,912,058,021.99
  5. Step 5: Solve for x
    x = 43,912,058,021.99/274,919.05
  6. Step 6: Final answer
    x = 159,727.23

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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.