Home / 226,685.46-312,806.58-131,198.04

Finding the Fourth Proportional to 226,685.46, 312,806.58 and 131,198.04

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Solution

The fourth proportional to 226,685.46, 312,806.58 and 131,198.04 is: 181,042.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,685.46 : 312,806.58 = 131,198.04 : x
  2. Step 2: Convert to fraction form
    226,685.46/312,806.58 = 131,198.04/x
  3. Step 3: Cross multiply
    226,685.46x = 312,806.58 × 131,198.04
  4. Step 4: Simplify right side
    226,685.46x = 41,039,610,195.10
  5. Step 5: Solve for x
    x = 41,039,610,195.10/226,685.46
  6. Step 6: Final answer
    x = 181,042.09

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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.