Home / 110,484.60-165,556.80-82,272.30

Finding the Fourth Proportional to 110,484.60, 165,556.80 and 82,272.30

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Solution

The fourth proportional to 110,484.60, 165,556.80 and 82,272.30 is: 123,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,484.60 : 165,556.80 = 82,272.30 : x
  2. Step 2: Convert to fraction form
    110,484.60/165,556.80 = 82,272.30/x
  3. Step 3: Cross multiply
    110,484.60x = 165,556.80 × 82,272.30
  4. Step 4: Simplify right side
    110,484.60x = 13,620,738,716.64
  5. Step 5: Solve for x
    x = 13,620,738,716.64/110,484.60
  6. Step 6: Final answer
    x = 123,281.79

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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.