Home / 199,080.06-274,732.11-108,436.38

Finding the Fourth Proportional to 199,080.06, 274,732.11 and 108,436.38

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Solution

The fourth proportional to 199,080.06, 274,732.11 and 108,436.38 is: 149,643.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,080.06 : 274,732.11 = 108,436.38 : x
  2. Step 2: Convert to fraction form
    199,080.06/274,732.11 = 108,436.38/x
  3. Step 3: Cross multiply
    199,080.06x = 274,732.11 × 108,436.38
  4. Step 4: Simplify right side
    199,080.06x = 29,790,955,478.16
  5. Step 5: Solve for x
    x = 29,790,955,478.16/199,080.06
  6. Step 6: Final answer
    x = 149,643.09

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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.