Home / 120,265.91-165,984.56-69,268.83

Finding the Fourth Proportional to 120,265.91, 165,984.56 and 69,268.83

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Solution

The fourth proportional to 120,265.91, 165,984.56 and 69,268.83 is: 95,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,265.91 : 165,984.56 = 69,268.83 : x
  2. Step 2: Convert to fraction form
    120,265.91/165,984.56 = 69,268.83/x
  3. Step 3: Cross multiply
    120,265.91x = 165,984.56 × 69,268.83
  4. Step 4: Simplify right side
    120,265.91x = 11,497,555,922.92
  5. Step 5: Solve for x
    x = 11,497,555,922.92/120,265.91
  6. Step 6: Final answer
    x = 95,601.13

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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.