Home / 119,924.36-165,495.87-66,209.48

Finding the Fourth Proportional to 119,924.36, 165,495.87 and 66,209.48

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Solution

The fourth proportional to 119,924.36, 165,495.87 and 66,209.48 is: 91,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,924.36 : 165,495.87 = 66,209.48 : x
  2. Step 2: Convert to fraction form
    119,924.36/165,495.87 = 66,209.48/x
  3. Step 3: Cross multiply
    119,924.36x = 165,495.87 × 66,209.48
  4. Step 4: Simplify right side
    119,924.36x = 10,957,395,163.80
  5. Step 5: Solve for x
    x = 10,957,395,163.80/119,924.36
  6. Step 6: Final answer
    x = 91,369.22

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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.