Home / 274,272.41-378,576.39-159,578.03

Finding the Fourth Proportional to 274,272.41, 378,576.39 and 159,578.03

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Solution

The fourth proportional to 274,272.41, 378,576.39 and 159,578.03 is: 220,264.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,272.41 : 378,576.39 = 159,578.03 : x
  2. Step 2: Convert to fraction form
    274,272.41/378,576.39 = 159,578.03/x
  3. Step 3: Cross multiply
    274,272.41x = 378,576.39 × 159,578.03
  4. Step 4: Simplify right side
    274,272.41x = 60,412,474,520.71
  5. Step 5: Solve for x
    x = 60,412,474,520.71/274,272.41
  6. Step 6: Final answer
    x = 220,264.50

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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.