Home / 204,551.20-306,608.10-92,212.30

Finding the Fourth Proportional to 204,551.20, 306,608.10 and 92,212.30

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Solution

The fourth proportional to 204,551.20, 306,608.10 and 92,212.30 is: 138,219.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,551.20 : 306,608.10 = 92,212.30 : x
  2. Step 2: Convert to fraction form
    204,551.20/306,608.10 = 92,212.30/x
  3. Step 3: Cross multiply
    204,551.20x = 306,608.10 × 92,212.30
  4. Step 4: Simplify right side
    204,551.20x = 28,273,038,099.63
  5. Step 5: Solve for x
    x = 28,273,038,099.63/204,551.20
  6. Step 6: Final answer
    x = 138,219.86

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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.