Home / 220,648.14-331,052.40-108,316.56

Finding the Fourth Proportional to 220,648.14, 331,052.40 and 108,316.56

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Solution

The fourth proportional to 220,648.14, 331,052.40 and 108,316.56 is: 162,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,648.14 : 331,052.40 = 108,316.56 : x
  2. Step 2: Convert to fraction form
    220,648.14/331,052.40 = 108,316.56/x
  3. Step 3: Cross multiply
    220,648.14x = 331,052.40 × 108,316.56
  4. Step 4: Simplify right side
    220,648.14x = 35,858,457,147.74
  5. Step 5: Solve for x
    x = 35,858,457,147.74/220,648.14
  6. Step 6: Final answer
    x = 162,514.21

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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.