Home / 119,910.77-165,477.26-66,195.66

Finding the Fourth Proportional to 119,910.77, 165,477.26 and 66,195.66

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Solution

The fourth proportional to 119,910.77, 165,477.26 and 66,195.66 is: 91,350.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,910.77 : 165,477.26 = 66,195.66 : x
  2. Step 2: Convert to fraction form
    119,910.77/165,477.26 = 66,195.66/x
  3. Step 3: Cross multiply
    119,910.77x = 165,477.26 × 66,195.66
  4. Step 4: Simplify right side
    119,910.77x = 10,953,876,440.69
  5. Step 5: Solve for x
    x = 10,953,876,440.69/119,910.77
  6. Step 6: Final answer
    x = 91,350.23

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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.