Home / 148,979.25-223,168.77-68,904.27

Finding the Fourth Proportional to 148,979.25, 223,168.77 and 68,904.27

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Solution

The fourth proportional to 148,979.25, 223,168.77 and 68,904.27 is: 103,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,979.25 : 223,168.77 = 68,904.27 : x
  2. Step 2: Convert to fraction form
    148,979.25/223,168.77 = 68,904.27/x
  3. Step 3: Cross multiply
    148,979.25x = 223,168.77 × 68,904.27
  4. Step 4: Simplify right side
    148,979.25x = 15,377,281,183.65
  5. Step 5: Solve for x
    x = 15,377,281,183.65/148,979.25
  6. Step 6: Final answer
    x = 103,217.60

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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.