Home / 165,743.87-248,661.70-65,974.13

Finding the Fourth Proportional to 165,743.87, 248,661.70 and 65,974.13

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Solution

The fourth proportional to 165,743.87, 248,661.70 and 65,974.13 is: 98,979.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,743.87 : 248,661.70 = 65,974.13 : x
  2. Step 2: Convert to fraction form
    165,743.87/248,661.70 = 65,974.13/x
  3. Step 3: Cross multiply
    165,743.87x = 248,661.70 × 65,974.13
  4. Step 4: Simplify right side
    165,743.87x = 16,405,239,321.82
  5. Step 5: Solve for x
    x = 16,405,239,321.82/165,743.87
  6. Step 6: Final answer
    x = 98,979.46

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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.