Home / 207,974.58-311,677.43-113,080.65

Finding the Fourth Proportional to 207,974.58, 311,677.43 and 113,080.65

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Solution

The fourth proportional to 207,974.58, 311,677.43 and 113,080.65 is: 169,466.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,974.58 : 311,677.43 = 113,080.65 : x
  2. Step 2: Convert to fraction form
    207,974.58/311,677.43 = 113,080.65/x
  3. Step 3: Cross multiply
    207,974.58x = 311,677.43 × 113,080.65
  4. Step 4: Simplify right side
    207,974.58x = 35,244,685,809.33
  5. Step 5: Solve for x
    x = 35,244,685,809.33/207,974.58
  6. Step 6: Final answer
    x = 169,466.32

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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.