Home / 131,120.68-196,736.34-83,789.14

Finding the Fourth Proportional to 131,120.68, 196,736.34 and 83,789.14

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Solution

The fourth proportional to 131,120.68, 196,736.34 and 83,789.14 is: 125,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,120.68 : 196,736.34 = 83,789.14 : x
  2. Step 2: Convert to fraction form
    131,120.68/196,736.34 = 83,789.14/x
  3. Step 3: Cross multiply
    131,120.68x = 196,736.34 × 83,789.14
  4. Step 4: Simplify right side
    131,120.68x = 16,484,368,735.35
  5. Step 5: Solve for x
    x = 16,484,368,735.35/131,120.68
  6. Step 6: Final answer
    x = 125,719.06

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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.