Home / 111,221.15-166,840.83-32,335.28

Finding the Fourth Proportional to 111,221.15, 166,840.83 and 32,335.28

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Solution

The fourth proportional to 111,221.15, 166,840.83 and 32,335.28 is: 48,505.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,221.15 : 166,840.83 = 32,335.28 : x
  2. Step 2: Convert to fraction form
    111,221.15/166,840.83 = 32,335.28/x
  3. Step 3: Cross multiply
    111,221.15x = 166,840.83 × 32,335.28
  4. Step 4: Simplify right side
    111,221.15x = 5,394,844,953.48
  5. Step 5: Solve for x
    x = 5,394,844,953.48/111,221.15
  6. Step 6: Final answer
    x = 48,505.57

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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.