Home / 135,930.10-187,598.24-82,244.72

Finding the Fourth Proportional to 135,930.10, 187,598.24 and 82,244.72

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Solution

The fourth proportional to 135,930.10, 187,598.24 and 82,244.72 is: 113,506.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,930.10 : 187,598.24 = 82,244.72 : x
  2. Step 2: Convert to fraction form
    135,930.10/187,598.24 = 82,244.72/x
  3. Step 3: Cross multiply
    135,930.10x = 187,598.24 × 82,244.72
  4. Step 4: Simplify right side
    135,930.10x = 15,428,964,721.29
  5. Step 5: Solve for x
    x = 15,428,964,721.29/135,930.10
  6. Step 6: Final answer
    x = 113,506.61

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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.