Home / 166,472.73-229,732.36-91,021.23

Finding the Fourth Proportional to 166,472.73, 229,732.36 and 91,021.23

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Solution

The fourth proportional to 166,472.73, 229,732.36 and 91,021.23 is: 125,609.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,472.73 : 229,732.36 = 91,021.23 : x
  2. Step 2: Convert to fraction form
    166,472.73/229,732.36 = 91,021.23/x
  3. Step 3: Cross multiply
    166,472.73x = 229,732.36 × 91,021.23
  4. Step 4: Simplify right side
    166,472.73x = 20,910,521,978.00
  5. Step 5: Solve for x
    x = 20,910,521,978.00/166,472.73
  6. Step 6: Final answer
    x = 125,609.29

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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.