Home / 312,015.60-467,599.37-131,951.39

Finding the Fourth Proportional to 312,015.60, 467,599.37 and 131,951.39

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Solution

The fourth proportional to 312,015.60, 467,599.37 and 131,951.39 is: 197,747.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,015.60 : 467,599.37 = 131,951.39 : x
  2. Step 2: Convert to fraction form
    312,015.60/467,599.37 = 131,951.39/x
  3. Step 3: Cross multiply
    312,015.60x = 467,599.37 × 131,951.39
  4. Step 4: Simplify right side
    312,015.60x = 61,700,383,836.87
  5. Step 5: Solve for x
    x = 61,700,383,836.87/312,015.60
  6. Step 6: Final answer
    x = 197,747.75

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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.