Home / 120,464.70-166,226.67-66,741.90

Finding the Fourth Proportional to 120,464.70, 166,226.67 and 66,741.90

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Solution

The fourth proportional to 120,464.70, 166,226.67 and 66,741.90 is: 92,095.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,464.70 : 166,226.67 = 66,741.90 : x
  2. Step 2: Convert to fraction form
    120,464.70/166,226.67 = 66,741.90/x
  3. Step 3: Cross multiply
    120,464.70x = 166,226.67 × 66,741.90
  4. Step 4: Simplify right side
    120,464.70x = 11,094,283,786.47
  5. Step 5: Solve for x
    x = 11,094,283,786.47/120,464.70
  6. Step 6: Final answer
    x = 92,095.72

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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.