Home / 141,873.66-195,786.96-78,213.73

Finding the Fourth Proportional to 141,873.66, 195,786.96 and 78,213.73

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Solution

The fourth proportional to 141,873.66, 195,786.96 and 78,213.73 is: 107,935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,873.66 : 195,786.96 = 78,213.73 : x
  2. Step 2: Convert to fraction form
    141,873.66/195,786.96 = 78,213.73/x
  3. Step 3: Cross multiply
    141,873.66x = 195,786.96 × 78,213.73
  4. Step 4: Simplify right side
    141,873.66x = 15,313,228,426.96
  5. Step 5: Solve for x
    x = 15,313,228,426.96/141,873.66
  6. Step 6: Final answer
    x = 107,935.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.