Home / 119,917.32-165,481.56-66,201.18

Finding the Fourth Proportional to 119,917.32, 165,481.56 and 66,201.18

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Solution

The fourth proportional to 119,917.32, 165,481.56 and 66,201.18 is: 91,355.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,917.32 : 165,481.56 = 66,201.18 : x
  2. Step 2: Convert to fraction form
    119,917.32/165,481.56 = 66,201.18/x
  3. Step 3: Cross multiply
    119,917.32x = 165,481.56 × 66,201.18
  4. Step 4: Simplify right side
    119,917.32x = 10,955,074,540.24
  5. Step 5: Solve for x
    x = 10,955,074,540.24/119,917.32
  6. Step 6: Final answer
    x = 91,355.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.