Home / 144,255.38-199,068.75-80,593.65

Finding the Fourth Proportional to 144,255.38, 199,068.75 and 80,593.65

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Solution

The fourth proportional to 144,255.38, 199,068.75 and 80,593.65 is: 111,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,255.38 : 199,068.75 = 80,593.65 : x
  2. Step 2: Convert to fraction form
    144,255.38/199,068.75 = 80,593.65/x
  3. Step 3: Cross multiply
    144,255.38x = 199,068.75 × 80,593.65
  4. Step 4: Simplify right side
    144,255.38x = 16,043,677,163.44
  5. Step 5: Solve for x
    x = 16,043,677,163.44/144,255.38
  6. Step 6: Final answer
    x = 111,217.19

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1.5x scale

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.