Home / 198,832.08-274,384.20-108,189.84

Finding the Fourth Proportional to 198,832.08, 274,384.20 and 108,189.84

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Solution

The fourth proportional to 198,832.08, 274,384.20 and 108,189.84 is: 149,299.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,832.08 : 274,384.20 = 108,189.84 : x
  2. Step 2: Convert to fraction form
    198,832.08/274,384.20 = 108,189.84/x
  3. Step 3: Cross multiply
    198,832.08x = 274,384.20 × 108,189.84
  4. Step 4: Simplify right side
    198,832.08x = 29,685,582,696.53
  5. Step 5: Solve for x
    x = 29,685,582,696.53/198,832.08
  6. Step 6: Final answer
    x = 149,299.76

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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.