Home / 204,635.68-306,951.35-79,975.60

Finding the Fourth Proportional to 204,635.68, 306,951.35 and 79,975.60

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Solution

The fourth proportional to 204,635.68, 306,951.35 and 79,975.60 is: 119,962.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,635.68 : 306,951.35 = 79,975.60 : x
  2. Step 2: Convert to fraction form
    204,635.68/306,951.35 = 79,975.60/x
  3. Step 3: Cross multiply
    204,635.68x = 306,951.35 × 79,975.60
  4. Step 4: Simplify right side
    204,635.68x = 24,548,617,819.62
  5. Step 5: Solve for x
    x = 24,548,617,819.62/204,635.68
  6. Step 6: Final answer
    x = 119,962.55

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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.