Home / 111,135.30-166,557.15-44,520.90

Finding the Fourth Proportional to 111,135.30, 166,557.15 and 44,520.90

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Solution

The fourth proportional to 111,135.30, 166,557.15 and 44,520.90 is: 66,722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,135.30 : 166,557.15 = 44,520.90 : x
  2. Step 2: Convert to fraction form
    111,135.30/166,557.15 = 44,520.90/x
  3. Step 3: Cross multiply
    111,135.30x = 166,557.15 × 44,520.90
  4. Step 4: Simplify right side
    111,135.30x = 7,415,274,219.44
  5. Step 5: Solve for x
    x = 7,415,274,219.44/111,135.30
  6. Step 6: Final answer
    x = 66,722.94

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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.