Home / 203,729.16-305,593.32-114,942.36

Finding the Fourth Proportional to 203,729.16, 305,593.32 and 114,942.36

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Solution

The fourth proportional to 203,729.16, 305,593.32 and 114,942.36 is: 172,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,729.16 : 305,593.32 = 114,942.36 : x
  2. Step 2: Convert to fraction form
    203,729.16/305,593.32 = 114,942.36/x
  3. Step 3: Cross multiply
    203,729.16x = 305,593.32 × 114,942.36
  4. Step 4: Simplify right side
    203,729.16x = 35,125,617,401.04
  5. Step 5: Solve for x
    x = 35,125,617,401.04/203,729.16
  6. Step 6: Final answer
    x = 172,413.30

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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.