Home / 226,431.86-312,317.78-192,204.29

Finding the Fourth Proportional to 226,431.86, 312,317.78 and 192,204.29

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Solution

The fourth proportional to 226,431.86, 312,317.78 and 192,204.29 is: 265,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,431.86 : 312,317.78 = 192,204.29 : x
  2. Step 2: Convert to fraction form
    226,431.86/312,317.78 = 192,204.29/x
  3. Step 3: Cross multiply
    226,431.86x = 312,317.78 × 192,204.29
  4. Step 4: Simplify right side
    226,431.86x = 60,028,816,979.05
  5. Step 5: Solve for x
    x = 60,028,816,979.05/226,431.86
  6. Step 6: Final answer
    x = 265,107.65

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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.