Home / 198,613.40-274,091.82-107,975.44

Finding the Fourth Proportional to 198,613.40, 274,091.82 and 107,975.44

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Solution

The fourth proportional to 198,613.40, 274,091.82 and 107,975.44 is: 149,009.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,613.40 : 274,091.82 = 107,975.44 : x
  2. Step 2: Convert to fraction form
    198,613.40/274,091.82 = 107,975.44/x
  3. Step 3: Cross multiply
    198,613.40x = 274,091.82 × 107,975.44
  4. Step 4: Simplify right side
    198,613.40x = 29,595,184,864.90
  5. Step 5: Solve for x
    x = 29,595,184,864.90/198,613.40
  6. Step 6: Final answer
    x = 149,009.00

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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.