Home / 166,472.98-229,732.70-91,021.48

Finding the Fourth Proportional to 166,472.98, 229,732.70 and 91,021.48

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Solution

The fourth proportional to 166,472.98, 229,732.70 and 91,021.48 is: 125,609.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,472.98 : 229,732.70 = 91,021.48 : x
  2. Step 2: Convert to fraction form
    166,472.98/229,732.70 = 91,021.48/x
  3. Step 3: Cross multiply
    166,472.98x = 229,732.70 × 91,021.48
  4. Step 4: Simplify right side
    166,472.98x = 20,910,610,358.40
  5. Step 5: Solve for x
    x = 20,910,610,358.40/166,472.98
  6. Step 6: Final answer
    x = 125,609.64

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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.