Home / 130,757.26-195,948.78-74,481.20

Finding the Fourth Proportional to 130,757.26, 195,948.78 and 74,481.20

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Solution

The fourth proportional to 130,757.26, 195,948.78 and 74,481.20 is: 111,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,757.26 : 195,948.78 = 74,481.20 : x
  2. Step 2: Convert to fraction form
    130,757.26/195,948.78 = 74,481.20/x
  3. Step 3: Cross multiply
    130,757.26x = 195,948.78 × 74,481.20
  4. Step 4: Simplify right side
    130,757.26x = 14,594,500,272.94
  5. Step 5: Solve for x
    x = 14,594,500,272.94/130,757.26
  6. Step 6: Final answer
    x = 111,615.22

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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.