Home / 130,629.38-196,011.51-55,729.43

Finding the Fourth Proportional to 130,629.38, 196,011.51 and 55,729.43

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Solution

The fourth proportional to 130,629.38, 196,011.51 and 55,729.43 is: 83,622.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,629.38 : 196,011.51 = 55,729.43 : x
  2. Step 2: Convert to fraction form
    130,629.38/196,011.51 = 55,729.43/x
  3. Step 3: Cross multiply
    130,629.38x = 196,011.51 × 55,729.43
  4. Step 4: Simplify right side
    130,629.38x = 10,923,608,745.68
  5. Step 5: Solve for x
    x = 10,923,608,745.68/130,629.38
  6. Step 6: Final answer
    x = 83,622.91

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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.