Home / 130,739.97-195,924.57-54,756.66

Finding the Fourth Proportional to 130,739.97, 195,924.57 and 54,756.66

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Solution

The fourth proportional to 130,739.97, 195,924.57 and 54,756.66 is: 82,057.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,739.97 : 195,924.57 = 54,756.66 : x
  2. Step 2: Convert to fraction form
    130,739.97/195,924.57 = 54,756.66/x
  3. Step 3: Cross multiply
    130,739.97x = 195,924.57 × 54,756.66
  4. Step 4: Simplify right side
    130,739.97x = 10,728,174,800.45
  5. Step 5: Solve for x
    x = 10,728,174,800.45/130,739.97
  6. Step 6: Final answer
    x = 82,057.34

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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.