Home / 274,003.35-378,112.73-149,822.06

Finding the Fourth Proportional to 274,003.35, 378,112.73 and 149,822.06

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Solution

The fourth proportional to 274,003.35, 378,112.73 and 149,822.06 is: 206,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,003.35 : 378,112.73 = 149,822.06 : x
  2. Step 2: Convert to fraction form
    274,003.35/378,112.73 = 149,822.06/x
  3. Step 3: Cross multiply
    274,003.35x = 378,112.73 × 149,822.06
  4. Step 4: Simplify right side
    274,003.35x = 56,649,625,481.15
  5. Step 5: Solve for x
    x = 56,649,625,481.15/274,003.35
  6. Step 6: Final answer
    x = 206,747.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.