Home / 136,418.52-204,355.62-108,386.04

Finding the Fourth Proportional to 136,418.52, 204,355.62 and 108,386.04

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Solution

The fourth proportional to 136,418.52, 204,355.62 and 108,386.04 is: 162,362.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,418.52 : 204,355.62 = 108,386.04 : x
  2. Step 2: Convert to fraction form
    136,418.52/204,355.62 = 108,386.04/x
  3. Step 3: Cross multiply
    136,418.52x = 204,355.62 × 108,386.04
  4. Step 4: Simplify right side
    136,418.52x = 22,149,296,403.54
  5. Step 5: Solve for x
    x = 22,149,296,403.54/136,418.52
  6. Step 6: Final answer
    x = 162,362.83

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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.