Home / 119,708.62-165,190.38-65,994.10

Finding the Fourth Proportional to 119,708.62, 165,190.38 and 65,994.10

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Solution

The fourth proportional to 119,708.62, 165,190.38 and 65,994.10 is: 91,067.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,708.62 : 165,190.38 = 65,994.10 : x
  2. Step 2: Convert to fraction form
    119,708.62/165,190.38 = 65,994.10/x
  3. Step 3: Cross multiply
    119,708.62x = 165,190.38 × 65,994.10
  4. Step 4: Simplify right side
    119,708.62x = 10,901,590,456.76
  5. Step 5: Solve for x
    x = 10,901,590,456.76/119,708.62
  6. Step 6: Final answer
    x = 91,067.71

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1.5x scale

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.