Home / 441,166.36-661,749.68-108,742.36

Finding the Fourth Proportional to 441,166.36, 661,749.68 and 108,742.36

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Solution

The fourth proportional to 441,166.36, 661,749.68 and 108,742.36 is: 163,113.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,166.36 : 661,749.68 = 108,742.36 : x
  2. Step 2: Convert to fraction form
    441,166.36/661,749.68 = 108,742.36/x
  3. Step 3: Cross multiply
    441,166.36x = 661,749.68 × 108,742.36
  4. Step 4: Simplify right side
    441,166.36x = 71,960,221,932.44
  5. Step 5: Solve for x
    x = 71,960,221,932.44/441,166.36
  6. Step 6: Final answer
    x = 163,113.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.