Home / 179,113.20-268,842.60-90,466.80

Finding the Fourth Proportional to 179,113.20, 268,842.60 and 90,466.80

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Solution

The fourth proportional to 179,113.20, 268,842.60 and 90,466.80 is: 135,787.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,113.20 : 268,842.60 = 90,466.80 : x
  2. Step 2: Convert to fraction form
    179,113.20/268,842.60 = 90,466.80/x
  3. Step 3: Cross multiply
    179,113.20x = 268,842.60 × 90,466.80
  4. Step 4: Simplify right side
    179,113.20x = 24,321,329,725.68
  5. Step 5: Solve for x
    x = 24,321,329,725.68/179,113.20
  6. Step 6: Final answer
    x = 135,787.48

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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.