Home / 130,629.66-195,919.88-50,667.47

Finding the Fourth Proportional to 130,629.66, 195,919.88 and 50,667.47

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Solution

The fourth proportional to 130,629.66, 195,919.88 and 50,667.47 is: 75,991.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,629.66 : 195,919.88 = 50,667.47 : x
  2. Step 2: Convert to fraction form
    130,629.66/195,919.88 = 50,667.47/x
  3. Step 3: Cross multiply
    130,629.66x = 195,919.88 × 50,667.47
  4. Step 4: Simplify right side
    130,629.66x = 9,926,765,258.77
  5. Step 5: Solve for x
    x = 9,926,765,258.77/130,629.66
  6. Step 6: Final answer
    x = 75,991.66

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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.