Home / 165,491.44-248,392.65-86,662.24

Finding the Fourth Proportional to 165,491.44, 248,392.65 and 86,662.24

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Solution

The fourth proportional to 165,491.44, 248,392.65 and 86,662.24 is: 130,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,491.44 : 248,392.65 = 86,662.24 : x
  2. Step 2: Convert to fraction form
    165,491.44/248,392.65 = 86,662.24/x
  3. Step 3: Cross multiply
    165,491.44x = 248,392.65 × 86,662.24
  4. Step 4: Simplify right side
    165,491.44x = 21,526,263,448.54
  5. Step 5: Solve for x
    x = 21,526,263,448.54/165,491.44
  6. Step 6: Final answer
    x = 130,074.78

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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.