Home / 220,336.38-330,273.90-92,325.96

Finding the Fourth Proportional to 220,336.38, 330,273.90 and 92,325.96

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Solution

The fourth proportional to 220,336.38, 330,273.90 and 92,325.96 is: 138,392.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,336.38 : 330,273.90 = 92,325.96 : x
  2. Step 2: Convert to fraction form
    220,336.38/330,273.90 = 92,325.96/x
  3. Step 3: Cross multiply
    220,336.38x = 330,273.90 × 92,325.96
  4. Step 4: Simplify right side
    220,336.38x = 30,492,854,880.44
  5. Step 5: Solve for x
    x = 30,492,854,880.44/220,336.38
  6. Step 6: Final answer
    x = 138,392.28

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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.