Home / 102,910.91-154,383.66-35,440.25

Finding the Fourth Proportional to 102,910.91, 154,383.66 and 35,440.25

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Solution

The fourth proportional to 102,910.91, 154,383.66 and 35,440.25 is: 53,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,910.91 : 154,383.66 = 35,440.25 : x
  2. Step 2: Convert to fraction form
    102,910.91/154,383.66 = 35,440.25/x
  3. Step 3: Cross multiply
    102,910.91x = 154,383.66 × 35,440.25
  4. Step 4: Simplify right side
    102,910.91x = 5,471,394,734.40
  5. Step 5: Solve for x
    x = 5,471,394,734.40/102,910.91
  6. Step 6: Final answer
    x = 53,166.33

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1.5x scale

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.