Home / 120,552.20-166,362.08-66,837.88

Finding the Fourth Proportional to 120,552.20, 166,362.08 and 66,837.88

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Solution

The fourth proportional to 120,552.20, 166,362.08 and 66,837.88 is: 92,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,552.20 : 166,362.08 = 66,837.88 : x
  2. Step 2: Convert to fraction form
    120,552.20/166,362.08 = 66,837.88/x
  3. Step 3: Cross multiply
    120,552.20x = 166,362.08 × 66,837.88
  4. Step 4: Simplify right side
    120,552.20x = 11,119,288,739.59
  5. Step 5: Solve for x
    x = 11,119,288,739.59/120,552.20
  6. Step 6: Final answer
    x = 92,236.30

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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.