Home / 308,844.80-463,267.20-109,163.60

Finding the Fourth Proportional to 308,844.80, 463,267.20 and 109,163.60

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Solution

The fourth proportional to 308,844.80, 463,267.20 and 109,163.60 is: 163,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,844.80 : 463,267.20 = 109,163.60 : x
  2. Step 2: Convert to fraction form
    308,844.80/463,267.20 = 109,163.60/x
  3. Step 3: Cross multiply
    308,844.80x = 463,267.20 × 109,163.60
  4. Step 4: Simplify right side
    308,844.80x = 50,571,915,313.92
  5. Step 5: Solve for x
    x = 50,571,915,313.92/308,844.80
  6. Step 6: Final answer
    x = 163,745.40

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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.