Home / 218,054.60-327,284.31-111,514.70

Finding the Fourth Proportional to 218,054.60, 327,284.31 and 111,514.70

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Solution

The fourth proportional to 218,054.60, 327,284.31 and 111,514.70 is: 167,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,054.60 : 327,284.31 = 111,514.70 : x
  2. Step 2: Convert to fraction form
    218,054.60/327,284.31 = 111,514.70/x
  3. Step 3: Cross multiply
    218,054.60x = 327,284.31 × 111,514.70
  4. Step 4: Simplify right side
    218,054.60x = 36,497,009,868.54
  5. Step 5: Solve for x
    x = 36,497,009,868.54/218,054.60
  6. Step 6: Final answer
    x = 167,375.55

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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.