Home / 198,736.34-274,175.22-112,677.20

Finding the Fourth Proportional to 198,736.34, 274,175.22 and 112,677.20

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Solution

The fourth proportional to 198,736.34, 274,175.22 and 112,677.20 is: 155,448.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,736.34 : 274,175.22 = 112,677.20 : x
  2. Step 2: Convert to fraction form
    198,736.34/274,175.22 = 112,677.20/x
  3. Step 3: Cross multiply
    198,736.34x = 274,175.22 × 112,677.20
  4. Step 4: Simplify right side
    198,736.34x = 30,893,296,098.98
  5. Step 5: Solve for x
    x = 30,893,296,098.98/198,736.34
  6. Step 6: Final answer
    x = 155,448.65

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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.