Home / 308,102.20-461,464.16-178,111.73

Finding the Fourth Proportional to 308,102.20, 461,464.16 and 178,111.73

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Solution

The fourth proportional to 308,102.20, 461,464.16 and 178,111.73 is: 266,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,102.20 : 461,464.16 = 178,111.73 : x
  2. Step 2: Convert to fraction form
    308,102.20/461,464.16 = 178,111.73/x
  3. Step 3: Cross multiply
    308,102.20x = 461,464.16 × 178,111.73
  4. Step 4: Simplify right side
    308,102.20x = 82,192,179,732.40
  5. Step 5: Solve for x
    x = 82,192,179,732.40/308,102.20
  6. Step 6: Final answer
    x = 266,769.21

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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.