Home / 119,736.90-165,229.74-66,022.56

Finding the Fourth Proportional to 119,736.90, 165,229.74 and 66,022.56

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Solution

The fourth proportional to 119,736.90, 165,229.74 and 66,022.56 is: 91,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,736.90 : 165,229.74 = 66,022.56 : x
  2. Step 2: Convert to fraction form
    119,736.90/165,229.74 = 66,022.56/x
  3. Step 3: Cross multiply
    119,736.90x = 165,229.74 × 66,022.56
  4. Step 4: Simplify right side
    119,736.90x = 10,908,890,422.93
  5. Step 5: Solve for x
    x = 10,908,890,422.93/119,736.90
  6. Step 6: Final answer
    x = 91,107.17

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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.