Home / 204,177.32-306,241.68-54,428.84

Finding the Fourth Proportional to 204,177.32, 306,241.68 and 54,428.84

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Solution

The fourth proportional to 204,177.32, 306,241.68 and 54,428.84 is: 81,636.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,177.32 : 306,241.68 = 54,428.84 : x
  2. Step 2: Convert to fraction form
    204,177.32/306,241.68 = 54,428.84/x
  3. Step 3: Cross multiply
    204,177.32x = 306,241.68 × 54,428.84
  4. Step 4: Simplify right side
    204,177.32x = 16,668,379,402.05
  5. Step 5: Solve for x
    x = 16,668,379,402.05/204,177.32
  6. Step 6: Final answer
    x = 81,636.78

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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.