Home / 206,823.76-310,236.96-113,278.48

Finding the Fourth Proportional to 206,823.76, 310,236.96 and 113,278.48

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Solution

The fourth proportional to 206,823.76, 310,236.96 and 113,278.48 is: 169,918.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,823.76 : 310,236.96 = 113,278.48 : x
  2. Step 2: Convert to fraction form
    206,823.76/310,236.96 = 113,278.48/x
  3. Step 3: Cross multiply
    206,823.76x = 310,236.96 × 113,278.48
  4. Step 4: Simplify right side
    206,823.76x = 35,143,171,268.62
  5. Step 5: Solve for x
    x = 35,143,171,268.62/206,823.76
  6. Step 6: Final answer
    x = 169,918.44

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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.