Home / 202,300.20-303,413.85-127,286.10

Finding the Fourth Proportional to 202,300.20, 303,413.85 and 127,286.10

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Solution

The fourth proportional to 202,300.20, 303,413.85 and 127,286.10 is: 190,906.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,300.20 : 303,413.85 = 127,286.10 : x
  2. Step 2: Convert to fraction form
    202,300.20/303,413.85 = 127,286.10/x
  3. Step 3: Cross multiply
    202,300.20x = 303,413.85 × 127,286.10
  4. Step 4: Simplify right side
    202,300.20x = 38,620,365,652.49
  5. Step 5: Solve for x
    x = 38,620,365,652.49/202,300.20
  6. Step 6: Final answer
    x = 190,906.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.