Home / 274,183.72-378,001.49-192,400.85

Finding the Fourth Proportional to 274,183.72, 378,001.49 and 192,400.85

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Solution

The fourth proportional to 274,183.72, 378,001.49 and 192,400.85 is: 265,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,183.72 : 378,001.49 = 192,400.85 : x
  2. Step 2: Convert to fraction form
    274,183.72/378,001.49 = 192,400.85/x
  3. Step 3: Cross multiply
    274,183.72x = 378,001.49 × 192,400.85
  4. Step 4: Simplify right side
    274,183.72x = 72,727,807,960.27
  5. Step 5: Solve for x
    x = 72,727,807,960.27/274,183.72
  6. Step 6: Final answer
    x = 265,252.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.