Home / 218,458.04-327,814.43-92,090.54

Finding the Fourth Proportional to 218,458.04, 327,814.43 and 92,090.54

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Solution

The fourth proportional to 218,458.04, 327,814.43 and 92,090.54 is: 138,189.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,458.04 : 327,814.43 = 92,090.54 : x
  2. Step 2: Convert to fraction form
    218,458.04/327,814.43 = 92,090.54/x
  3. Step 3: Cross multiply
    218,458.04x = 327,814.43 × 92,090.54
  4. Step 4: Simplify right side
    218,458.04x = 30,188,608,237.58
  5. Step 5: Solve for x
    x = 30,188,608,237.58/218,458.04
  6. Step 6: Final answer
    x = 138,189.51

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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.