Home / 199,233.65-274,942.54-113,192.78

Finding the Fourth Proportional to 199,233.65, 274,942.54 and 113,192.78

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Solution

The fourth proportional to 199,233.65, 274,942.54 and 113,192.78 is: 156,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,233.65 : 274,942.54 = 113,192.78 : x
  2. Step 2: Convert to fraction form
    199,233.65/274,942.54 = 113,192.78/x
  3. Step 3: Cross multiply
    199,233.65x = 274,942.54 × 113,192.78
  4. Step 4: Simplify right side
    199,233.65x = 31,121,511,413.20
  5. Step 5: Solve for x
    x = 31,121,511,413.20/199,233.65
  6. Step 6: Final answer
    x = 156,206.10

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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.