Home / 165,432.50-248,173.38-76,694.97

Finding the Fourth Proportional to 165,432.50, 248,173.38 and 76,694.97

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Solution

The fourth proportional to 165,432.50, 248,173.38 and 76,694.97 is: 115,053.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,432.50 : 248,173.38 = 76,694.97 : x
  2. Step 2: Convert to fraction form
    165,432.50/248,173.38 = 76,694.97/x
  3. Step 3: Cross multiply
    165,432.50x = 248,173.38 × 76,694.97
  4. Step 4: Simplify right side
    165,432.50x = 19,033,649,933.90
  5. Step 5: Solve for x
    x = 19,033,649,933.90/165,432.50
  6. Step 6: Final answer
    x = 115,053.88

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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.