Home / 214,957.28-322,435.44-57,185.76

Finding the Fourth Proportional to 214,957.28, 322,435.44 and 57,185.76

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Solution

The fourth proportional to 214,957.28, 322,435.44 and 57,185.76 is: 85,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,957.28 : 322,435.44 = 57,185.76 : x
  2. Step 2: Convert to fraction form
    214,957.28/322,435.44 = 57,185.76/x
  3. Step 3: Cross multiply
    214,957.28x = 322,435.44 × 57,185.76
  4. Step 4: Simplify right side
    214,957.28x = 18,438,715,687.33
  5. Step 5: Solve for x
    x = 18,438,715,687.33/214,957.28
  6. Step 6: Final answer
    x = 85,778.51

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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.