Home / 135,906.44-203,778.90-51,672.77

Finding the Fourth Proportional to 135,906.44, 203,778.90 and 51,672.77

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Solution

The fourth proportional to 135,906.44, 203,778.90 and 51,672.77 is: 77,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,906.44 : 203,778.90 = 51,672.77 : x
  2. Step 2: Convert to fraction form
    135,906.44/203,778.90 = 51,672.77/x
  3. Step 3: Cross multiply
    135,906.44x = 203,778.90 × 51,672.77
  4. Step 4: Simplify right side
    135,906.44x = 10,529,819,211.66
  5. Step 5: Solve for x
    x = 10,529,819,211.66/135,906.44
  6. Step 6: Final answer
    x = 77,478.44

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1.5x scale

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.