Home / 110,952.20-166,331.10-66,531.80

Finding the Fourth Proportional to 110,952.20, 166,331.10 and 66,531.80

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Solution

The fourth proportional to 110,952.20, 166,331.10 and 66,531.80 is: 99,739.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,952.20 : 166,331.10 = 66,531.80 : x
  2. Step 2: Convert to fraction form
    110,952.20/166,331.10 = 66,531.80/x
  3. Step 3: Cross multiply
    110,952.20x = 166,331.10 × 66,531.80
  4. Step 4: Simplify right side
    110,952.20x = 11,066,307,478.98
  5. Step 5: Solve for x
    x = 11,066,307,478.98/110,952.20
  6. Step 6: Final answer
    x = 99,739.41

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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.