Home / 167,412.72-231,031.54-90,932.73

Finding the Fourth Proportional to 167,412.72, 231,031.54 and 90,932.73

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Solution

The fourth proportional to 167,412.72, 231,031.54 and 90,932.73 is: 125,488.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,412.72 : 231,031.54 = 90,932.73 : x
  2. Step 2: Convert to fraction form
    167,412.72/231,031.54 = 90,932.73/x
  3. Step 3: Cross multiply
    167,412.72x = 231,031.54 × 90,932.73
  4. Step 4: Simplify right side
    167,412.72x = 21,008,327,895.60
  5. Step 5: Solve for x
    x = 21,008,327,895.60/167,412.72
  6. Step 6: Final answer
    x = 125,488.24

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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.