Home / 204,033.05-306,150.15-91,792.70

Finding the Fourth Proportional to 204,033.05, 306,150.15 and 91,792.70

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Solution

The fourth proportional to 204,033.05, 306,150.15 and 91,792.70 is: 137,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,033.05 : 306,150.15 = 91,792.70 : x
  2. Step 2: Convert to fraction form
    204,033.05/306,150.15 = 91,792.70/x
  3. Step 3: Cross multiply
    204,033.05x = 306,150.15 × 91,792.70
  4. Step 4: Simplify right side
    204,033.05x = 28,102,348,873.91
  5. Step 5: Solve for x
    x = 28,102,348,873.91/204,033.05
  6. Step 6: Final answer
    x = 137,734.30

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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.