Home / 208,515.24-287,916.66-192,593.88

Finding the Fourth Proportional to 208,515.24, 287,916.66 and 192,593.88

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Solution

The fourth proportional to 208,515.24, 287,916.66 and 192,593.88 is: 265,932.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,515.24 : 287,916.66 = 192,593.88 : x
  2. Step 2: Convert to fraction form
    208,515.24/287,916.66 = 192,593.88/x
  3. Step 3: Cross multiply
    208,515.24x = 287,916.66 × 192,593.88
  4. Step 4: Simplify right side
    208,515.24x = 55,450,986,666.04
  5. Step 5: Solve for x
    x = 55,450,986,666.04/208,515.24
  6. Step 6: Final answer
    x = 265,932.54

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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.