Home / 274,273.41-378,577.77-159,579.03

Finding the Fourth Proportional to 274,273.41, 378,577.77 and 159,579.03

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Solution

The fourth proportional to 274,273.41, 378,577.77 and 159,579.03 is: 220,265.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,273.41 : 378,577.77 = 159,579.03 : x
  2. Step 2: Convert to fraction form
    274,273.41/378,577.77 = 159,579.03/x
  3. Step 3: Cross multiply
    274,273.41x = 378,577.77 × 159,579.03
  4. Step 4: Simplify right side
    274,273.41x = 60,413,073,316.16
  5. Step 5: Solve for x
    x = 60,413,073,316.16/274,273.41
  6. Step 6: Final answer
    x = 220,265.88

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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.