Home / 110,922.40-166,286.40-66,566.80

Finding the Fourth Proportional to 110,922.40, 166,286.40 and 66,566.80

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Solution

The fourth proportional to 110,922.40, 166,286.40 and 66,566.80 is: 99,791.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,922.40 : 166,286.40 = 66,566.80 : x
  2. Step 2: Convert to fraction form
    110,922.40/166,286.40 = 66,566.80/x
  3. Step 3: Cross multiply
    110,922.40x = 166,286.40 × 66,566.80
  4. Step 4: Simplify right side
    110,922.40x = 11,069,153,531.52
  5. Step 5: Solve for x
    x = 11,069,153,531.52/110,922.40
  6. Step 6: Final answer
    x = 99,791.87

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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.