Home / 204,151.44-306,289.35-104,381.71

Finding the Fourth Proportional to 204,151.44, 306,289.35 and 104,381.71

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Solution

The fourth proportional to 204,151.44, 306,289.35 and 104,381.71 is: 156,604.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,151.44 : 306,289.35 = 104,381.71 : x
  2. Step 2: Convert to fraction form
    204,151.44/306,289.35 = 104,381.71/x
  3. Step 3: Cross multiply
    204,151.44x = 306,289.35 × 104,381.71
  4. Step 4: Simplify right side
    204,151.44x = 31,971,007,064.94
  5. Step 5: Solve for x
    x = 31,971,007,064.94/204,151.44
  6. Step 6: Final answer
    x = 156,604.37

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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.