Home / 110,926.20-166,292.10-66,505.80

Finding the Fourth Proportional to 110,926.20, 166,292.10 and 66,505.80

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Solution

The fourth proportional to 110,926.20, 166,292.10 and 66,505.80 is: 99,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,926.20 : 166,292.10 = 66,505.80 : x
  2. Step 2: Convert to fraction form
    110,926.20/166,292.10 = 66,505.80/x
  3. Step 3: Cross multiply
    110,926.20x = 166,292.10 × 66,505.80
  4. Step 4: Simplify right side
    110,926.20x = 11,059,389,144.18
  5. Step 5: Solve for x
    x = 11,059,389,144.18/110,926.20
  6. Step 6: Final answer
    x = 99,700.42

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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.