Home / 130,716.76-196,149.66-108,795.64

Finding the Fourth Proportional to 130,716.76, 196,149.66 and 108,795.64

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Solution

The fourth proportional to 130,716.76, 196,149.66 and 108,795.64 is: 163,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,716.76 : 196,149.66 = 108,795.64 : x
  2. Step 2: Convert to fraction form
    130,716.76/196,149.66 = 108,795.64/x
  3. Step 3: Cross multiply
    130,716.76x = 196,149.66 × 108,795.64
  4. Step 4: Simplify right side
    130,716.76x = 21,340,227,795.48
  5. Step 5: Solve for x
    x = 21,340,227,795.48/130,716.76
  6. Step 6: Final answer
    x = 163,255.48

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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.