Home / 106,823.92-160,235.92-40,279

Finding the Fourth Proportional to 106,823.92, 160,235.92 and 40,279

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Solution

The fourth proportional to 106,823.92, 160,235.92 and 40,279 is: 60,418.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,823.92 : 160,235.92 = 40,279 : x
  2. Step 2: Convert to fraction form
    106,823.92/160,235.92 = 40,279/x
  3. Step 3: Cross multiply
    106,823.92x = 160,235.92 × 40,279
  4. Step 4: Simplify right side
    106,823.92x = 6,454,142,621.68
  5. Step 5: Solve for x
    x = 6,454,142,621.68/106,823.92
  6. Step 6: Final answer
    x = 60,418.52

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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.