Home / 199,020.92-274,639.68-108,376.52

Finding the Fourth Proportional to 199,020.92, 274,639.68 and 108,376.52

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Solution

The fourth proportional to 199,020.92, 274,639.68 and 108,376.52 is: 149,554.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,020.92 : 274,639.68 = 108,376.52 : x
  2. Step 2: Convert to fraction form
    199,020.92/274,639.68 = 108,376.52/x
  3. Step 3: Cross multiply
    199,020.92x = 274,639.68 × 108,376.52
  4. Step 4: Simplify right side
    199,020.92x = 29,764,492,772.31
  5. Step 5: Solve for x
    x = 29,764,492,772.31/199,020.92
  6. Step 6: Final answer
    x = 149,554.59

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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.