Home / 208,201.20-312,255.05-95,773.43

Finding the Fourth Proportional to 208,201.20, 312,255.05 and 95,773.43

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Solution

The fourth proportional to 208,201.20, 312,255.05 and 95,773.43 is: 143,638.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,201.20 : 312,255.05 = 95,773.43 : x
  2. Step 2: Convert to fraction form
    208,201.20/312,255.05 = 95,773.43/x
  3. Step 3: Cross multiply
    208,201.20x = 312,255.05 × 95,773.43
  4. Step 4: Simplify right side
    208,201.20x = 29,905,735,133.18
  5. Step 5: Solve for x
    x = 29,905,735,133.18/208,201.20
  6. Step 6: Final answer
    x = 143,638.63

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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.