Home / 166,613.40-229,932.06-91,161.96

Finding the Fourth Proportional to 166,613.40, 229,932.06 and 91,161.96

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Solution

The fourth proportional to 166,613.40, 229,932.06 and 91,161.96 is: 125,806.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,613.40 : 229,932.06 = 91,161.96 : x
  2. Step 2: Convert to fraction form
    166,613.40/229,932.06 = 91,161.96/x
  3. Step 3: Cross multiply
    166,613.40x = 229,932.06 × 91,161.96
  4. Step 4: Simplify right side
    166,613.40x = 20,961,057,256.44
  5. Step 5: Solve for x
    x = 20,961,057,256.44/166,613.40
  6. Step 6: Final answer
    x = 125,806.55

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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.