Home / 110,314.80-165,540.24-51,139.44

Finding the Fourth Proportional to 110,314.80, 165,540.24 and 51,139.44

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Solution

The fourth proportional to 110,314.80, 165,540.24 and 51,139.44 is: 76,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,314.80 : 165,540.24 = 51,139.44 : x
  2. Step 2: Convert to fraction form
    110,314.80/165,540.24 = 51,139.44/x
  3. Step 3: Cross multiply
    110,314.80x = 165,540.24 × 51,139.44
  4. Step 4: Simplify right side
    110,314.80x = 8,465,635,171.07
  5. Step 5: Solve for x
    x = 8,465,635,171.07/110,314.80
  6. Step 6: Final answer
    x = 76,740.70

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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.