Home / 159,390.98-219,960.18-95,729.84

Finding the Fourth Proportional to 159,390.98, 219,960.18 and 95,729.84

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Solution

The fourth proportional to 159,390.98, 219,960.18 and 95,729.84 is: 132,107.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,390.98 : 219,960.18 = 95,729.84 : x
  2. Step 2: Convert to fraction form
    159,390.98/219,960.18 = 95,729.84/x
  3. Step 3: Cross multiply
    159,390.98x = 219,960.18 × 95,729.84
  4. Step 4: Simplify right side
    159,390.98x = 21,056,752,837.77
  5. Step 5: Solve for x
    x = 21,056,752,837.77/159,390.98
  6. Step 6: Final answer
    x = 132,107.56

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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.