Home / 199,182.16-274,868.88-108,542.08

Finding the Fourth Proportional to 199,182.16, 274,868.88 and 108,542.08

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Solution

The fourth proportional to 199,182.16, 274,868.88 and 108,542.08 is: 149,786.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,182.16 : 274,868.88 = 108,542.08 : x
  2. Step 2: Convert to fraction form
    199,182.16/274,868.88 = 108,542.08/x
  3. Step 3: Cross multiply
    199,182.16x = 274,868.88 × 108,542.08
  4. Step 4: Simplify right side
    199,182.16x = 29,834,839,962.47
  5. Step 5: Solve for x
    x = 29,834,839,962.47/199,182.16
  6. Step 6: Final answer
    x = 149,786.71

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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.