Home / 202,823.82-279,895.05-112,183.56

Finding the Fourth Proportional to 202,823.82, 279,895.05 and 112,183.56

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Solution

The fourth proportional to 202,823.82, 279,895.05 and 112,183.56 is: 154,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,823.82 : 279,895.05 = 112,183.56 : x
  2. Step 2: Convert to fraction form
    202,823.82/279,895.05 = 112,183.56/x
  3. Step 3: Cross multiply
    202,823.82x = 279,895.05 × 112,183.56
  4. Step 4: Simplify right side
    202,823.82x = 31,399,623,135.38
  5. Step 5: Solve for x
    x = 31,399,623,135.38/202,823.82
  6. Step 6: Final answer
    x = 154,812.31

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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.