Home / 482,143.19-723,185.82-215,832.20

Finding the Fourth Proportional to 482,143.19, 723,185.82 and 215,832.20

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Solution

The fourth proportional to 482,143.19, 723,185.82 and 215,832.20 is: 323,735.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,143.19 : 723,185.82 = 215,832.20 : x
  2. Step 2: Convert to fraction form
    482,143.19/723,185.82 = 215,832.20/x
  3. Step 3: Cross multiply
    482,143.19x = 723,185.82 × 215,832.20
  4. Step 4: Simplify right side
    482,143.19x = 156,086,782,923.48
  5. Step 5: Solve for x
    x = 156,086,782,923.48/482,143.19
  6. Step 6: Final answer
    x = 323,735.33

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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.