Home / 199,069.52-274,715.92-109,645.52

Finding the Fourth Proportional to 199,069.52, 274,715.92 and 109,645.52

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Solution

The fourth proportional to 199,069.52, 274,715.92 and 109,645.52 is: 151,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,069.52 : 274,715.92 = 109,645.52 : x
  2. Step 2: Convert to fraction form
    199,069.52/274,715.92 = 109,645.52/x
  3. Step 3: Cross multiply
    199,069.52x = 274,715.92 × 109,645.52
  4. Step 4: Simplify right side
    199,069.52x = 30,121,369,900.68
  5. Step 5: Solve for x
    x = 30,121,369,900.68/199,069.52
  6. Step 6: Final answer
    x = 151,310.81

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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.