Home / 242,255.11-363,382.77-108,979.69

Finding the Fourth Proportional to 242,255.11, 363,382.77 and 108,979.69

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Solution

The fourth proportional to 242,255.11, 363,382.77 and 108,979.69 is: 163,469.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,255.11 : 363,382.77 = 108,979.69 : x
  2. Step 2: Convert to fraction form
    242,255.11/363,382.77 = 108,979.69/x
  3. Step 3: Cross multiply
    242,255.11x = 363,382.77 × 108,979.69
  4. Step 4: Simplify right side
    242,255.11x = 39,601,341,625.94
  5. Step 5: Solve for x
    x = 39,601,341,625.94/242,255.11
  6. Step 6: Final answer
    x = 163,469.58

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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.