Home / 215,914.72-323,862.90-73,772.74

Finding the Fourth Proportional to 215,914.72, 323,862.90 and 73,772.74

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Solution

The fourth proportional to 215,914.72, 323,862.90 and 73,772.74 is: 110,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,914.72 : 323,862.90 = 73,772.74 : x
  2. Step 2: Convert to fraction form
    215,914.72/323,862.90 = 73,772.74/x
  3. Step 3: Cross multiply
    215,914.72x = 323,862.90 × 73,772.74
  4. Step 4: Simplify right side
    215,914.72x = 23,892,253,517.35
  5. Step 5: Solve for x
    x = 23,892,253,517.35/215,914.72
  6. Step 6: Final answer
    x = 110,655.97

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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.