Home / 308,822.20-463,233.30-131,284.60

Finding the Fourth Proportional to 308,822.20, 463,233.30 and 131,284.60

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Solution

The fourth proportional to 308,822.20, 463,233.30 and 131,284.60 is: 196,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,822.20 : 463,233.30 = 131,284.60 : x
  2. Step 2: Convert to fraction form
    308,822.20/463,233.30 = 131,284.60/x
  3. Step 3: Cross multiply
    308,822.20x = 463,233.30 × 131,284.60
  4. Step 4: Simplify right side
    308,822.20x = 60,815,398,497.18
  5. Step 5: Solve for x
    x = 60,815,398,497.18/308,822.20
  6. Step 6: Final answer
    x = 196,926.90

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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.