Home / 110,128.26-165,245.31-60,206.34

Finding the Fourth Proportional to 110,128.26, 165,245.31 and 60,206.34

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Solution

The fourth proportional to 110,128.26, 165,245.31 and 60,206.34 is: 90,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,128.26 : 165,245.31 = 60,206.34 : x
  2. Step 2: Convert to fraction form
    110,128.26/165,245.31 = 60,206.34/x
  3. Step 3: Cross multiply
    110,128.26x = 165,245.31 × 60,206.34
  4. Step 4: Simplify right side
    110,128.26x = 9,948,815,317.27
  5. Step 5: Solve for x
    x = 9,948,815,317.27/110,128.26
  6. Step 6: Final answer
    x = 90,338.44

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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.