Home / 198,413.67-273,652.44-130,500.37

Finding the Fourth Proportional to 198,413.67, 273,652.44 and 130,500.37

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Solution

The fourth proportional to 198,413.67, 273,652.44 and 130,500.37 is: 179,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,413.67 : 273,652.44 = 130,500.37 : x
  2. Step 2: Convert to fraction form
    198,413.67/273,652.44 = 130,500.37/x
  3. Step 3: Cross multiply
    198,413.67x = 273,652.44 × 130,500.37
  4. Step 4: Simplify right side
    198,413.67x = 35,711,743,303.14
  5. Step 5: Solve for x
    x = 35,711,743,303.14/198,413.67
  6. Step 6: Final answer
    x = 179,986.30

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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.