Home / 214,891.34-322,336.65-57,119.79

Finding the Fourth Proportional to 214,891.34, 322,336.65 and 57,119.79

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Solution

The fourth proportional to 214,891.34, 322,336.65 and 57,119.79 is: 85,679.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,891.34 : 322,336.65 = 57,119.79 : x
  2. Step 2: Convert to fraction form
    214,891.34/322,336.65 = 57,119.79/x
  3. Step 3: Cross multiply
    214,891.34x = 322,336.65 × 57,119.79
  4. Step 4: Simplify right side
    214,891.34x = 18,411,801,757.30
  5. Step 5: Solve for x
    x = 18,411,801,757.30/214,891.34
  6. Step 6: Final answer
    x = 85,679.59

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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.