Home / 215,180.24-324,381.94-200,729.61

Finding the Fourth Proportional to 215,180.24, 324,381.94 and 200,729.61

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Solution

The fourth proportional to 215,180.24, 324,381.94 and 200,729.61 is: 302,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,180.24 : 324,381.94 = 200,729.61 : x
  2. Step 2: Convert to fraction form
    215,180.24/324,381.94 = 200,729.61/x
  3. Step 3: Cross multiply
    215,180.24x = 324,381.94 × 200,729.61
  4. Step 4: Simplify right side
    215,180.24x = 65,113,059,805.42
  5. Step 5: Solve for x
    x = 65,113,059,805.42/215,180.24
  6. Step 6: Final answer
    x = 302,597.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.