Home / 199,174.35-274,857.05-108,531.10

Finding the Fourth Proportional to 199,174.35, 274,857.05 and 108,531.10

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Solution

The fourth proportional to 199,174.35, 274,857.05 and 108,531.10 is: 149,770.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,174.35 : 274,857.05 = 108,531.10 : x
  2. Step 2: Convert to fraction form
    199,174.35/274,857.05 = 108,531.10/x
  3. Step 3: Cross multiply
    199,174.35x = 274,857.05 × 108,531.10
  4. Step 4: Simplify right side
    199,174.35x = 29,830,537,563.44
  5. Step 5: Solve for x
    x = 29,830,537,563.44/199,174.35
  6. Step 6: Final answer
    x = 149,770.98

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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.