Home / 170,939.94-256,380.30-46,251.78

Finding the Fourth Proportional to 170,939.94, 256,380.30 and 46,251.78

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Solution

The fourth proportional to 170,939.94, 256,380.30 and 46,251.78 is: 69,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,939.94 : 256,380.30 = 46,251.78 : x
  2. Step 2: Convert to fraction form
    170,939.94/256,380.30 = 46,251.78/x
  3. Step 3: Cross multiply
    170,939.94x = 256,380.30 × 46,251.78
  4. Step 4: Simplify right side
    170,939.94x = 11,858,045,231.93
  5. Step 5: Solve for x
    x = 11,858,045,231.93/170,939.94
  6. Step 6: Final answer
    x = 69,369.66

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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.