Home / 119,976.74-165,564.73-66,260.60

Finding the Fourth Proportional to 119,976.74, 165,564.73 and 66,260.60

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Solution

The fourth proportional to 119,976.74, 165,564.73 and 66,260.60 is: 91,437.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,976.74 : 165,564.73 = 66,260.60 : x
  2. Step 2: Convert to fraction form
    119,976.74/165,564.73 = 66,260.60/x
  3. Step 3: Cross multiply
    119,976.74x = 165,564.73 × 66,260.60
  4. Step 4: Simplify right side
    119,976.74x = 10,970,418,348.64
  5. Step 5: Solve for x
    x = 10,970,418,348.64/119,976.74
  6. Step 6: Final answer
    x = 91,437.88

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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.