Home / 119,711.42-165,194.34-65,993.66

Finding the Fourth Proportional to 119,711.42, 165,194.34 and 65,993.66

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Solution

The fourth proportional to 119,711.42, 165,194.34 and 65,993.66 is: 91,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,711.42 : 165,194.34 = 65,993.66 : x
  2. Step 2: Convert to fraction form
    119,711.42/165,194.34 = 65,993.66/x
  3. Step 3: Cross multiply
    119,711.42x = 165,194.34 × 65,993.66
  4. Step 4: Simplify right side
    119,711.42x = 10,901,779,107.88
  5. Step 5: Solve for x
    x = 10,901,779,107.88/119,711.42
  6. Step 6: Final answer
    x = 91,067.16

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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.