Home / 144,834.10-199,882.83-80,309.74

Finding the Fourth Proportional to 144,834.10, 199,882.83 and 80,309.74

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Solution

The fourth proportional to 144,834.10, 199,882.83 and 80,309.74 is: 110,833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,834.10 : 199,882.83 = 80,309.74 : x
  2. Step 2: Convert to fraction form
    144,834.10/199,882.83 = 80,309.74/x
  3. Step 3: Cross multiply
    144,834.10x = 199,882.83 × 80,309.74
  4. Step 4: Simplify right side
    144,834.10x = 16,052,538,107.76
  5. Step 5: Solve for x
    x = 16,052,538,107.76/144,834.10
  6. Step 6: Final answer
    x = 110,833.97

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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.