Home / 198,851.22-274,415.18-108,207.14

Finding the Fourth Proportional to 198,851.22, 274,415.18 and 108,207.14

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Solution

The fourth proportional to 198,851.22, 274,415.18 and 108,207.14 is: 149,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,851.22 : 274,415.18 = 108,207.14 : x
  2. Step 2: Convert to fraction form
    198,851.22/274,415.18 = 108,207.14/x
  3. Step 3: Cross multiply
    198,851.22x = 274,415.18 × 108,207.14
  4. Step 4: Simplify right side
    198,851.22x = 29,693,679,887.27
  5. Step 5: Solve for x
    x = 29,693,679,887.27/198,851.22
  6. Step 6: Final answer
    x = 149,326.11

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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.