Home / 110,999.15-166,333.78-66,573.89

Finding the Fourth Proportional to 110,999.15, 166,333.78 and 66,573.89

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Solution

The fourth proportional to 110,999.15, 166,333.78 and 66,573.89 is: 99,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,999.15 : 166,333.78 = 66,573.89 : x
  2. Step 2: Convert to fraction form
    110,999.15/166,333.78 = 66,573.89/x
  3. Step 3: Cross multiply
    110,999.15x = 166,333.78 × 66,573.89
  4. Step 4: Simplify right side
    110,999.15x = 11,073,486,773.00
  5. Step 5: Solve for x
    x = 11,073,486,773.00/110,999.15
  6. Step 6: Final answer
    x = 99,761.91

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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.