Home / 135,891.02-187,499.41-82,174.91

Finding the Fourth Proportional to 135,891.02, 187,499.41 and 82,174.91

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Solution

The fourth proportional to 135,891.02, 187,499.41 and 82,174.91 is: 113,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,891.02 : 187,499.41 = 82,174.91 : x
  2. Step 2: Convert to fraction form
    135,891.02/187,499.41 = 82,174.91/x
  3. Step 3: Cross multiply
    135,891.02x = 187,499.41 × 82,174.91
  4. Step 4: Simplify right side
    135,891.02x = 15,407,747,141.80
  5. Step 5: Solve for x
    x = 15,407,747,141.80/135,891.02
  6. Step 6: Final answer
    x = 113,383.11

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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.