Home / 119,914.52-165,481.14-66,199.60

Finding the Fourth Proportional to 119,914.52, 165,481.14 and 66,199.60

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Solution

The fourth proportional to 119,914.52, 165,481.14 and 66,199.60 is: 91,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,914.52 : 165,481.14 = 66,199.60 : x
  2. Step 2: Convert to fraction form
    119,914.52/165,481.14 = 66,199.60/x
  3. Step 3: Cross multiply
    119,914.52x = 165,481.14 × 66,199.60
  4. Step 4: Simplify right side
    119,914.52x = 10,954,785,275.54
  5. Step 5: Solve for x
    x = 10,954,785,275.54/119,914.52
  6. Step 6: Final answer
    x = 91,354.95

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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.