Home / 168,015.33-252,128.49-68,175.94

Finding the Fourth Proportional to 168,015.33, 252,128.49 and 68,175.94

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Solution

The fourth proportional to 168,015.33, 252,128.49 and 68,175.94 is: 102,306.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,015.33 : 252,128.49 = 68,175.94 : x
  2. Step 2: Convert to fraction form
    168,015.33/252,128.49 = 68,175.94/x
  3. Step 3: Cross multiply
    168,015.33x = 252,128.49 × 68,175.94
  4. Step 4: Simplify right side
    168,015.33x = 17,189,096,806.53
  5. Step 5: Solve for x
    x = 17,189,096,806.53/168,015.33
  6. Step 6: Final answer
    x = 102,306.72

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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.