Home / 215,734.26-323,648.10-82,614.52

Finding the Fourth Proportional to 215,734.26, 323,648.10 and 82,614.52

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Solution

The fourth proportional to 215,734.26, 323,648.10 and 82,614.52 is: 123,939.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,734.26 : 323,648.10 = 82,614.52 : x
  2. Step 2: Convert to fraction form
    215,734.26/323,648.10 = 82,614.52/x
  3. Step 3: Cross multiply
    215,734.26x = 323,648.10 × 82,614.52
  4. Step 4: Simplify right side
    215,734.26x = 26,738,032,430.41
  5. Step 5: Solve for x
    x = 26,738,032,430.41/215,734.26
  6. Step 6: Final answer
    x = 123,939.67

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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.