Home / 159,568.29-219,968.87-102,200.85

Finding the Fourth Proportional to 159,568.29, 219,968.87 and 102,200.85

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Solution

The fourth proportional to 159,568.29, 219,968.87 and 102,200.85 is: 140,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,568.29 : 219,968.87 = 102,200.85 : x
  2. Step 2: Convert to fraction form
    159,568.29/219,968.87 = 102,200.85/x
  3. Step 3: Cross multiply
    159,568.29x = 219,968.87 × 102,200.85
  4. Step 4: Simplify right side
    159,568.29x = 22,481,004,976.54
  5. Step 5: Solve for x
    x = 22,481,004,976.54/159,568.29
  6. Step 6: Final answer
    x = 140,886.42

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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.