Home / 188,753.38-283,108.47-82,115.26

Finding the Fourth Proportional to 188,753.38, 283,108.47 and 82,115.26

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Solution

The fourth proportional to 188,753.38, 283,108.47 and 82,115.26 is: 123,163.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,753.38 : 283,108.47 = 82,115.26 : x
  2. Step 2: Convert to fraction form
    188,753.38/283,108.47 = 82,115.26/x
  3. Step 3: Cross multiply
    188,753.38x = 283,108.47 × 82,115.26
  4. Step 4: Simplify right side
    188,753.38x = 23,247,525,622.25
  5. Step 5: Solve for x
    x = 23,247,525,622.25/188,753.38
  6. Step 6: Final answer
    x = 123,163.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.