Home / 112,212.14-168,096.78-84,163.86

Finding the Fourth Proportional to 112,212.14, 168,096.78 and 84,163.86

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Solution

The fourth proportional to 112,212.14, 168,096.78 and 84,163.86 is: 126,079.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,212.14 : 168,096.78 = 84,163.86 : x
  2. Step 2: Convert to fraction form
    112,212.14/168,096.78 = 84,163.86/x
  3. Step 3: Cross multiply
    112,212.14x = 168,096.78 × 84,163.86
  4. Step 4: Simplify right side
    112,212.14x = 14,147,673,858.37
  5. Step 5: Solve for x
    x = 14,147,673,858.37/112,212.14
  6. Step 6: Final answer
    x = 126,079.71

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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.