Home / 218,629.80-327,203.39-134,442.85

Finding the Fourth Proportional to 218,629.80, 327,203.39 and 134,442.85

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Solution

The fourth proportional to 218,629.80, 327,203.39 and 134,442.85 is: 201,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,629.80 : 327,203.39 = 134,442.85 : x
  2. Step 2: Convert to fraction form
    218,629.80/327,203.39 = 134,442.85/x
  3. Step 3: Cross multiply
    218,629.80x = 327,203.39 × 134,442.85
  4. Step 4: Simplify right side
    218,629.80x = 43,990,156,281.26
  5. Step 5: Solve for x
    x = 43,990,156,281.26/218,629.80
  6. Step 6: Final answer
    x = 201,208.42

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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.