Home / 144,694.62-199,679.98-80,165.23

Finding the Fourth Proportional to 144,694.62, 199,679.98 and 80,165.23

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Solution

The fourth proportional to 144,694.62, 199,679.98 and 80,165.23 is: 110,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,694.62 : 199,679.98 = 80,165.23 : x
  2. Step 2: Convert to fraction form
    144,694.62/199,679.98 = 80,165.23/x
  3. Step 3: Cross multiply
    144,694.62x = 199,679.98 × 80,165.23
  4. Step 4: Simplify right side
    144,694.62x = 16,007,391,523.10
  5. Step 5: Solve for x
    x = 16,007,391,523.10/144,694.62
  6. Step 6: Final answer
    x = 110,628.80

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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.