Home / 220,646.14-331,049.40-108,314.56

Finding the Fourth Proportional to 220,646.14, 331,049.40 and 108,314.56

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Solution

The fourth proportional to 220,646.14, 331,049.40 and 108,314.56 is: 162,511.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,646.14 : 331,049.40 = 108,314.56 : x
  2. Step 2: Convert to fraction form
    220,646.14/331,049.40 = 108,314.56/x
  3. Step 3: Cross multiply
    220,646.14x = 331,049.40 × 108,314.56
  4. Step 4: Simplify right side
    220,646.14x = 35,857,470,099.26
  5. Step 5: Solve for x
    x = 35,857,470,099.26/220,646.14
  6. Step 6: Final answer
    x = 162,511.21

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1.5x scale

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.