Home / 214,015.66-321,037.33-71,855.19

Finding the Fourth Proportional to 214,015.66, 321,037.33 and 71,855.19

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Solution

The fourth proportional to 214,015.66, 321,037.33 and 71,855.19 is: 107,787.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,015.66 : 321,037.33 = 71,855.19 : x
  2. Step 2: Convert to fraction form
    214,015.66/321,037.33 = 71,855.19/x
  3. Step 3: Cross multiply
    214,015.66x = 321,037.33 × 71,855.19
  4. Step 4: Simplify right side
    214,015.66x = 23,068,200,157.32
  5. Step 5: Solve for x
    x = 23,068,200,157.32/214,015.66
  6. Step 6: Final answer
    x = 107,787.44

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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.