Home / 120,466.46-166,243.55-66,754.96

Finding the Fourth Proportional to 120,466.46, 166,243.55 and 66,754.96

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Solution

The fourth proportional to 120,466.46, 166,243.55 and 66,754.96 is: 92,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,466.46 : 166,243.55 = 66,754.96 : x
  2. Step 2: Convert to fraction form
    120,466.46/166,243.55 = 66,754.96/x
  3. Step 3: Cross multiply
    120,466.46x = 166,243.55 × 66,754.96
  4. Step 4: Simplify right side
    120,466.46x = 11,097,580,781.12
  5. Step 5: Solve for x
    x = 11,097,580,781.12/120,466.46
  6. Step 6: Final answer
    x = 92,121.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.