Home / 225,749.73-338,596.92-131,031.51

Finding the Fourth Proportional to 225,749.73, 338,596.92 and 131,031.51

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Solution

The fourth proportional to 225,749.73, 338,596.92 and 131,031.51 is: 196,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,749.73 : 338,596.92 = 131,031.51 : x
  2. Step 2: Convert to fraction form
    225,749.73/338,596.92 = 131,031.51/x
  3. Step 3: Cross multiply
    225,749.73x = 338,596.92 × 131,031.51
  4. Step 4: Simplify right side
    225,749.73x = 44,366,865,708.95
  5. Step 5: Solve for x
    x = 44,366,865,708.95/225,749.73
  6. Step 6: Final answer
    x = 196,531.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.