Home / 274,111.22-378,320.22-159,456.33

Finding the Fourth Proportional to 274,111.22, 378,320.22 and 159,456.33

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Solution

The fourth proportional to 274,111.22, 378,320.22 and 159,456.33 is: 220,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,111.22 : 378,320.22 = 159,456.33 : x
  2. Step 2: Convert to fraction form
    274,111.22/378,320.22 = 159,456.33/x
  3. Step 3: Cross multiply
    274,111.22x = 378,320.22 × 159,456.33
  4. Step 4: Simplify right side
    274,111.22x = 60,325,553,845.99
  5. Step 5: Solve for x
    x = 60,325,553,845.99/274,111.22
  6. Step 6: Final answer
    x = 220,076.92

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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.