Home / 130,694.22-195,725.56-74,363.70

Finding the Fourth Proportional to 130,694.22, 195,725.56 and 74,363.70

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Solution

The fourth proportional to 130,694.22, 195,725.56 and 74,363.70 is: 111,365.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,694.22 : 195,725.56 = 74,363.70 : x
  2. Step 2: Convert to fraction form
    130,694.22/195,725.56 = 74,363.70/x
  3. Step 3: Cross multiply
    130,694.22x = 195,725.56 × 74,363.70
  4. Step 4: Simplify right side
    130,694.22x = 14,554,876,826.17
  5. Step 5: Solve for x
    x = 14,554,876,826.17/130,694.22
  6. Step 6: Final answer
    x = 111,365.88

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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.