Home / 135,882.56-187,535.22-82,167.96

Finding the Fourth Proportional to 135,882.56, 187,535.22 and 82,167.96

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Solution

The fourth proportional to 135,882.56, 187,535.22 and 82,167.96 is: 113,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,882.56 : 187,535.22 = 82,167.96 : x
  2. Step 2: Convert to fraction form
    135,882.56/187,535.22 = 82,167.96/x
  3. Step 3: Cross multiply
    135,882.56x = 187,535.22 × 82,167.96
  4. Step 4: Simplify right side
    135,882.56x = 15,409,386,455.55
  5. Step 5: Solve for x
    x = 15,409,386,455.55/135,882.56
  6. Step 6: Final answer
    x = 113,402.24

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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.