Home / 199,207.86-274,898.82-108,561.89

Finding the Fourth Proportional to 199,207.86, 274,898.82 and 108,561.89

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Solution

The fourth proportional to 199,207.86, 274,898.82 and 108,561.89 is: 149,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,207.86 : 274,898.82 = 108,561.89 : x
  2. Step 2: Convert to fraction form
    199,207.86/274,898.82 = 108,561.89/x
  3. Step 3: Cross multiply
    199,207.86x = 274,898.82 × 108,561.89
  4. Step 4: Simplify right side
    199,207.86x = 29,843,534,083.48
  5. Step 5: Solve for x
    x = 29,843,534,083.48/199,207.86
  6. Step 6: Final answer
    x = 149,811.03

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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.