Home / 143,413.44-197,906.40-82,993.92

Finding the Fourth Proportional to 143,413.44, 197,906.40 and 82,993.92

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Solution

The fourth proportional to 143,413.44, 197,906.40 and 82,993.92 is: 114,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,413.44 : 197,906.40 = 82,993.92 : x
  2. Step 2: Convert to fraction form
    143,413.44/197,906.40 = 82,993.92/x
  3. Step 3: Cross multiply
    143,413.44x = 197,906.40 × 82,993.92
  4. Step 4: Simplify right side
    143,413.44x = 16,425,027,929.09
  5. Step 5: Solve for x
    x = 16,425,027,929.09/143,413.44
  6. Step 6: Final answer
    x = 114,529.21

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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.