Home / 130,067.20-195,052.20-51,165.10

Finding the Fourth Proportional to 130,067.20, 195,052.20 and 51,165.10

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Solution

The fourth proportional to 130,067.20, 195,052.20 and 51,165.10 is: 76,728.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,067.20 : 195,052.20 = 51,165.10 : x
  2. Step 2: Convert to fraction form
    130,067.20/195,052.20 = 51,165.10/x
  3. Step 3: Cross multiply
    130,067.20x = 195,052.20 × 51,165.10
  4. Step 4: Simplify right side
    130,067.20x = 9,979,865,318.22
  5. Step 5: Solve for x
    x = 9,979,865,318.22/130,067.20
  6. Step 6: Final answer
    x = 76,728.53

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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.