Home / 168,915.26-253,446.39-105,879.84

Finding the Fourth Proportional to 168,915.26, 253,446.39 and 105,879.84

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Solution

The fourth proportional to 168,915.26, 253,446.39 and 105,879.84 is: 158,865.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,915.26 : 253,446.39 = 105,879.84 : x
  2. Step 2: Convert to fraction form
    168,915.26/253,446.39 = 105,879.84/x
  3. Step 3: Cross multiply
    168,915.26x = 253,446.39 × 105,879.84
  4. Step 4: Simplify right side
    168,915.26x = 26,834,863,221.78
  5. Step 5: Solve for x
    x = 26,834,863,221.78/168,915.26
  6. Step 6: Final answer
    x = 158,865.84

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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.