Home / 199,118.43-274,781.30-114,248.79

Finding the Fourth Proportional to 199,118.43, 274,781.30 and 114,248.79

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Solution

The fourth proportional to 199,118.43, 274,781.30 and 114,248.79 is: 157,662.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,118.43 : 274,781.30 = 114,248.79 : x
  2. Step 2: Convert to fraction form
    199,118.43/274,781.30 = 114,248.79/x
  3. Step 3: Cross multiply
    199,118.43x = 274,781.30 × 114,248.79
  4. Step 4: Simplify right side
    199,118.43x = 31,393,430,468.38
  5. Step 5: Solve for x
    x = 31,393,430,468.38/199,118.43
  6. Step 6: Final answer
    x = 157,662.10

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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.