Home / 118,909.26-164,094.78-68,608.26

Finding the Fourth Proportional to 118,909.26, 164,094.78 and 68,608.26

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Solution

The fourth proportional to 118,909.26, 164,094.78 and 68,608.26 is: 94,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,909.26 : 164,094.78 = 68,608.26 : x
  2. Step 2: Convert to fraction form
    118,909.26/164,094.78 = 68,608.26/x
  3. Step 3: Cross multiply
    118,909.26x = 164,094.78 × 68,608.26
  4. Step 4: Simplify right side
    118,909.26x = 11,258,257,330.88
  5. Step 5: Solve for x
    x = 11,258,257,330.88/118,909.26
  6. Step 6: Final answer
    x = 94,679.40

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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.