Home / 203,923.60-305,885.40-156,629.73

Finding the Fourth Proportional to 203,923.60, 305,885.40 and 156,629.73

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Solution

The fourth proportional to 203,923.60, 305,885.40 and 156,629.73 is: 234,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,923.60 : 305,885.40 = 156,629.73 : x
  2. Step 2: Convert to fraction form
    203,923.60/305,885.40 = 156,629.73/x
  3. Step 3: Cross multiply
    203,923.60x = 305,885.40 × 156,629.73
  4. Step 4: Simplify right side
    203,923.60x = 47,910,747,612.94
  5. Step 5: Solve for x
    x = 47,910,747,612.94/203,923.60
  6. Step 6: Final answer
    x = 234,944.60

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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.