Home / 311,936.20-467,904.30-170,218.60

Finding the Fourth Proportional to 311,936.20, 467,904.30 and 170,218.60

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Solution

The fourth proportional to 311,936.20, 467,904.30 and 170,218.60 is: 255,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,936.20 : 467,904.30 = 170,218.60 : x
  2. Step 2: Convert to fraction form
    311,936.20/467,904.30 = 170,218.60/x
  3. Step 3: Cross multiply
    311,936.20x = 467,904.30 × 170,218.60
  4. Step 4: Simplify right side
    311,936.20x = 79,646,014,879.98
  5. Step 5: Solve for x
    x = 79,646,014,879.98/311,936.20
  6. Step 6: Final answer
    x = 255,327.90

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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.