Home / 204,035.73-306,076.89-54,282.12

Finding the Fourth Proportional to 204,035.73, 306,076.89 and 54,282.12

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Solution

The fourth proportional to 204,035.73, 306,076.89 and 54,282.12 is: 81,429.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,035.73 : 306,076.89 = 54,282.12 : x
  2. Step 2: Convert to fraction form
    204,035.73/306,076.89 = 54,282.12/x
  3. Step 3: Cross multiply
    204,035.73x = 306,076.89 × 54,282.12
  4. Step 4: Simplify right side
    204,035.73x = 16,614,502,472.21
  5. Step 5: Solve for x
    x = 16,614,502,472.21/204,035.73
  6. Step 6: Final answer
    x = 81,429.38

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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.