Home / 198,841.08-274,396.62-108,198.84

Finding the Fourth Proportional to 198,841.08, 274,396.62 and 108,198.84

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Solution

The fourth proportional to 198,841.08, 274,396.62 and 108,198.84 is: 149,312.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,841.08 : 274,396.62 = 108,198.84 : x
  2. Step 2: Convert to fraction form
    198,841.08/274,396.62 = 108,198.84/x
  3. Step 3: Cross multiply
    198,841.08x = 274,396.62 × 108,198.84
  4. Step 4: Simplify right side
    198,841.08x = 29,689,395,983.92
  5. Step 5: Solve for x
    x = 29,689,395,983.92/198,841.08
  6. Step 6: Final answer
    x = 149,312.18

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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.