Home / 218,629.34-327,203.31-134,442.83

Finding the Fourth Proportional to 218,629.34, 327,203.31 and 134,442.83

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Solution

The fourth proportional to 218,629.34, 327,203.31 and 134,442.83 is: 201,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,629.34 : 327,203.31 = 134,442.83 : x
  2. Step 2: Convert to fraction form
    218,629.34/327,203.31 = 134,442.83/x
  3. Step 3: Cross multiply
    218,629.34x = 327,203.31 × 134,442.83
  4. Step 4: Simplify right side
    218,629.34x = 43,990,138,163.76
  5. Step 5: Solve for x
    x = 43,990,138,163.76/218,629.34
  6. Step 6: Final answer
    x = 201,208.76

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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.