Home / 167,198.08-230,732.40-91,749.28

Finding the Fourth Proportional to 167,198.08, 230,732.40 and 91,749.28

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Solution

The fourth proportional to 167,198.08, 230,732.40 and 91,749.28 is: 126,613.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,198.08 : 230,732.40 = 91,749.28 : x
  2. Step 2: Convert to fraction form
    167,198.08/230,732.40 = 91,749.28/x
  3. Step 3: Cross multiply
    167,198.08x = 230,732.40 × 91,749.28
  4. Step 4: Simplify right side
    167,198.08x = 21,169,531,572.67
  5. Step 5: Solve for x
    x = 21,169,531,572.67/167,198.08
  6. Step 6: Final answer
    x = 126,613.48

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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.