Home / 151,072.26-208,481.11-82,162.37

Finding the Fourth Proportional to 151,072.26, 208,481.11 and 82,162.37

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Solution

The fourth proportional to 151,072.26, 208,481.11 and 82,162.37 is: 113,384.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,072.26 : 208,481.11 = 82,162.37 : x
  2. Step 2: Convert to fraction form
    151,072.26/208,481.11 = 82,162.37/x
  3. Step 3: Cross multiply
    151,072.26x = 208,481.11 × 82,162.37
  4. Step 4: Simplify right side
    151,072.26x = 17,129,302,097.83
  5. Step 5: Solve for x
    x = 17,129,302,097.83/151,072.26
  6. Step 6: Final answer
    x = 113,384.83

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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.