Home / 130,568.22-195,589.89-68,107.50

Finding the Fourth Proportional to 130,568.22, 195,589.89 and 68,107.50

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Solution

The fourth proportional to 130,568.22, 195,589.89 and 68,107.50 is: 102,024.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,568.22 : 195,589.89 = 68,107.50 : x
  2. Step 2: Convert to fraction form
    130,568.22/195,589.89 = 68,107.50/x
  3. Step 3: Cross multiply
    130,568.22x = 195,589.89 × 68,107.50
  4. Step 4: Simplify right side
    130,568.22x = 13,321,138,433.18
  5. Step 5: Solve for x
    x = 13,321,138,433.18/130,568.22
  6. Step 6: Final answer
    x = 102,024.36

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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.