Home / 266,884.20-400,326.56-109,112.65

Finding the Fourth Proportional to 266,884.20, 400,326.56 and 109,112.65

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Solution

The fourth proportional to 266,884.20, 400,326.56 and 109,112.65 is: 163,669.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,884.20 : 400,326.56 = 109,112.65 : x
  2. Step 2: Convert to fraction form
    266,884.20/400,326.56 = 109,112.65/x
  3. Step 3: Cross multiply
    266,884.20x = 400,326.56 × 109,112.65
  4. Step 4: Simplify right side
    266,884.20x = 43,680,693,555.37
  5. Step 5: Solve for x
    x = 43,680,693,555.37/266,884.20
  6. Step 6: Final answer
    x = 163,669.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.