Home / 110,999.30-166,170.90-73,601.60

Finding the Fourth Proportional to 110,999.30, 166,170.90 and 73,601.60

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Solution

The fourth proportional to 110,999.30, 166,170.90 and 73,601.60 is: 110,184.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,999.30 : 166,170.90 = 73,601.60 : x
  2. Step 2: Convert to fraction form
    110,999.30/166,170.90 = 73,601.60/x
  3. Step 3: Cross multiply
    110,999.30x = 166,170.90 × 73,601.60
  4. Step 4: Simplify right side
    110,999.30x = 12,230,444,113.44
  5. Step 5: Solve for x
    x = 12,230,444,113.44/110,999.30
  6. Step 6: Final answer
    x = 110,184.88

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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.