Home / 116,147.60-173,780.82-68,788.04

Finding the Fourth Proportional to 116,147.60, 173,780.82 and 68,788.04

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Solution

The fourth proportional to 116,147.60, 173,780.82 and 68,788.04 is: 102,921.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,147.60 : 173,780.82 = 68,788.04 : x
  2. Step 2: Convert to fraction form
    116,147.60/173,780.82 = 68,788.04/x
  3. Step 3: Cross multiply
    116,147.60x = 173,780.82 × 68,788.04
  4. Step 4: Simplify right side
    116,147.60x = 11,954,041,997.39
  5. Step 5: Solve for x
    x = 11,954,041,997.39/116,147.60
  6. Step 6: Final answer
    x = 102,921.13

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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.