Home / 110,766.80-166,166.40-35,874.20

Finding the Fourth Proportional to 110,766.80, 166,166.40 and 35,874.20

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Solution

The fourth proportional to 110,766.80, 166,166.40 and 35,874.20 is: 53,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,766.80 : 166,166.40 = 35,874.20 : x
  2. Step 2: Convert to fraction form
    110,766.80/166,166.40 = 35,874.20/x
  3. Step 3: Cross multiply
    110,766.80x = 166,166.40 × 35,874.20
  4. Step 4: Simplify right side
    110,766.80x = 5,961,086,666.88
  5. Step 5: Solve for x
    x = 5,961,086,666.88/110,766.80
  6. Step 6: Final answer
    x = 53,816.55

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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.