Home / 199,175.04-274,868.51-108,538.47

Finding the Fourth Proportional to 199,175.04, 274,868.51 and 108,538.47

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Solution

The fourth proportional to 199,175.04, 274,868.51 and 108,538.47 is: 149,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,175.04 : 274,868.51 = 108,538.47 : x
  2. Step 2: Convert to fraction form
    199,175.04/274,868.51 = 108,538.47/x
  3. Step 3: Cross multiply
    199,175.04x = 274,868.51 × 108,538.47
  4. Step 4: Simplify right side
    199,175.04x = 29,833,807,526.58
  5. Step 5: Solve for x
    x = 29,833,807,526.58/199,175.04
  6. Step 6: Final answer
    x = 149,786.88

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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.