Home / 118,910.26-164,096.16-68,609.26

Finding the Fourth Proportional to 118,910.26, 164,096.16 and 68,609.26

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Solution

The fourth proportional to 118,910.26, 164,096.16 and 68,609.26 is: 94,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,910.26 : 164,096.16 = 68,609.26 : x
  2. Step 2: Convert to fraction form
    118,910.26/164,096.16 = 68,609.26/x
  3. Step 3: Cross multiply
    118,910.26x = 164,096.16 × 68,609.26
  4. Step 4: Simplify right side
    118,910.26x = 11,258,516,106.44
  5. Step 5: Solve for x
    x = 11,258,516,106.44/118,910.26
  6. Step 6: Final answer
    x = 94,680.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.