Home / 166,456.80-229,710.96-91,006.56

Finding the Fourth Proportional to 166,456.80, 229,710.96 and 91,006.56

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Solution

The fourth proportional to 166,456.80, 229,710.96 and 91,006.56 is: 125,589.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,456.80 : 229,710.96 = 91,006.56 : x
  2. Step 2: Convert to fraction form
    166,456.80/229,710.96 = 91,006.56/x
  3. Step 3: Cross multiply
    166,456.80x = 229,710.96 × 91,006.56
  4. Step 4: Simplify right side
    166,456.80x = 20,905,204,263.90
  5. Step 5: Solve for x
    x = 20,905,204,263.90/166,456.80
  6. Step 6: Final answer
    x = 125,589.37

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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.