Home / 204,217.90-306,099.84-154,135.60

Finding the Fourth Proportional to 204,217.90, 306,099.84 and 154,135.60

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Solution

The fourth proportional to 204,217.90, 306,099.84 and 154,135.60 is: 231,032.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,217.90 : 306,099.84 = 154,135.60 : x
  2. Step 2: Convert to fraction form
    204,217.90/306,099.84 = 154,135.60/x
  3. Step 3: Cross multiply
    204,217.90x = 306,099.84 × 154,135.60
  4. Step 4: Simplify right side
    204,217.90x = 47,180,882,498.30
  5. Step 5: Solve for x
    x = 47,180,882,498.30/204,217.90
  6. Step 6: Final answer
    x = 231,032.06

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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.