Home / 119,902.26-165,456.63-66,175.77

Finding the Fourth Proportional to 119,902.26, 165,456.63 and 66,175.77

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Solution

The fourth proportional to 119,902.26, 165,456.63 and 66,175.77 is: 91,317.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,902.26 : 165,456.63 = 66,175.77 : x
  2. Step 2: Convert to fraction form
    119,902.26/165,456.63 = 66,175.77/x
  3. Step 3: Cross multiply
    119,902.26x = 165,456.63 × 66,175.77
  4. Step 4: Simplify right side
    119,902.26x = 10,949,219,891.86
  5. Step 5: Solve for x
    x = 10,949,219,891.86/119,902.26
  6. Step 6: Final answer
    x = 91,317.88

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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.