Home / 179,717.87-269,498.04-67,319.21

Finding the Fourth Proportional to 179,717.87, 269,498.04 and 67,319.21

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Solution

The fourth proportional to 179,717.87, 269,498.04 and 67,319.21 is: 100,949.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,717.87 : 269,498.04 = 67,319.21 : x
  2. Step 2: Convert to fraction form
    179,717.87/269,498.04 = 67,319.21/x
  3. Step 3: Cross multiply
    179,717.87x = 269,498.04 × 67,319.21
  4. Step 4: Simplify right side
    179,717.87x = 18,142,393,801.86
  5. Step 5: Solve for x
    x = 18,142,393,801.86/179,717.87
  6. Step 6: Final answer
    x = 100,949.31

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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.