Home / 112,105.09-168,160.74-27,861.85

Finding the Fourth Proportional to 112,105.09, 168,160.74 and 27,861.85

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Solution

The fourth proportional to 112,105.09, 168,160.74 and 27,861.85 is: 41,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,105.09 : 168,160.74 = 27,861.85 : x
  2. Step 2: Convert to fraction form
    112,105.09/168,160.74 = 27,861.85/x
  3. Step 3: Cross multiply
    112,105.09x = 168,160.74 × 27,861.85
  4. Step 4: Simplify right side
    112,105.09x = 4,685,269,313.77
  5. Step 5: Solve for x
    x = 4,685,269,313.77/112,105.09
  6. Step 6: Final answer
    x = 41,793.55

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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.