Home / 274,747.26-378,956.37-171,433.48

Finding the Fourth Proportional to 274,747.26, 378,956.37 and 171,433.48

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Solution

The fourth proportional to 274,747.26, 378,956.37 and 171,433.48 is: 236,456.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,747.26 : 378,956.37 = 171,433.48 : x
  2. Step 2: Convert to fraction form
    274,747.26/378,956.37 = 171,433.48/x
  3. Step 3: Cross multiply
    274,747.26x = 378,956.37 × 171,433.48
  4. Step 4: Simplify right side
    274,747.26x = 64,965,809,683.30
  5. Step 5: Solve for x
    x = 64,965,809,683.30/274,747.26
  6. Step 6: Final answer
    x = 236,456.63

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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.