Home / 110,839.44-166,311-64,131.60

Finding the Fourth Proportional to 110,839.44, 166,311 and 64,131.60

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Solution

The fourth proportional to 110,839.44, 166,311 and 64,131.60 is: 96,227.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,839.44 : 166,311 = 64,131.60 : x
  2. Step 2: Convert to fraction form
    110,839.44/166,311 = 64,131.60/x
  3. Step 3: Cross multiply
    110,839.44x = 166,311 × 64,131.60
  4. Step 4: Simplify right side
    110,839.44x = 10,665,790,527.60
  5. Step 5: Solve for x
    x = 10,665,790,527.60/110,839.44
  6. Step 6: Final answer
    x = 96,227.39

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1.5x scale

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.