Home / 263,020.82-362,990.85-161,045.78

Finding the Fourth Proportional to 263,020.82, 362,990.85 and 161,045.78

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Solution

The fourth proportional to 263,020.82, 362,990.85 and 161,045.78 is: 222,256.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,020.82 : 362,990.85 = 161,045.78 : x
  2. Step 2: Convert to fraction form
    263,020.82/362,990.85 = 161,045.78/x
  3. Step 3: Cross multiply
    263,020.82x = 362,990.85 × 161,045.78
  4. Step 4: Simplify right side
    263,020.82x = 58,458,144,571.11
  5. Step 5: Solve for x
    x = 58,458,144,571.11/263,020.82
  6. Step 6: Final answer
    x = 222,256.72

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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.