Home / 116,149.60-173,783.82-68,790.04

Finding the Fourth Proportional to 116,149.60, 173,783.82 and 68,790.04

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Solution

The fourth proportional to 116,149.60, 173,783.82 and 68,790.04 is: 102,924.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,149.60 : 173,783.82 = 68,790.04 : x
  2. Step 2: Convert to fraction form
    116,149.60/173,783.82 = 68,790.04/x
  3. Step 3: Cross multiply
    116,149.60x = 173,783.82 × 68,790.04
  4. Step 4: Simplify right side
    116,149.60x = 11,954,595,929.15
  5. Step 5: Solve for x
    x = 11,954,595,929.15/116,149.60
  6. Step 6: Final answer
    x = 102,924.12

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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.