Home / 167,747.31-231,488.87-91,267.11

Finding the Fourth Proportional to 167,747.31, 231,488.87 and 91,267.11

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Solution

The fourth proportional to 167,747.31, 231,488.87 and 91,267.11 is: 125,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,747.31 : 231,488.87 = 91,267.11 : x
  2. Step 2: Convert to fraction form
    167,747.31/231,488.87 = 91,267.11/x
  3. Step 3: Cross multiply
    167,747.31x = 231,488.87 × 91,267.11
  4. Step 4: Simplify right side
    167,747.31x = 21,127,319,705.73
  5. Step 5: Solve for x
    x = 21,127,319,705.73/167,747.31
  6. Step 6: Final answer
    x = 125,947.29

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1.5x scale

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.