Home / 208,202.20-312,256.53-95,774.44

Finding the Fourth Proportional to 208,202.20, 312,256.53 and 95,774.44

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Solution

The fourth proportional to 208,202.20, 312,256.53 and 95,774.44 is: 143,640.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,202.20 : 312,256.53 = 95,774.44 : x
  2. Step 2: Convert to fraction form
    208,202.20/312,256.53 = 95,774.44/x
  3. Step 3: Cross multiply
    208,202.20x = 312,256.53 × 95,774.44
  4. Step 4: Simplify right side
    208,202.20x = 29,906,194,297.09
  5. Step 5: Solve for x
    x = 29,906,194,297.09/208,202.20
  6. Step 6: Final answer
    x = 143,640.15

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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.