Home / 120,473.69-166,260.38-66,757.59

Finding the Fourth Proportional to 120,473.69, 166,260.38 and 66,757.59

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Solution

The fourth proportional to 120,473.69, 166,260.38 and 66,757.59 is: 92,129.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,473.69 : 166,260.38 = 66,757.59 : x
  2. Step 2: Convert to fraction form
    120,473.69/166,260.38 = 66,757.59/x
  3. Step 3: Cross multiply
    120,473.69x = 166,260.38 × 66,757.59
  4. Step 4: Simplify right side
    120,473.69x = 11,099,141,947.50
  5. Step 5: Solve for x
    x = 11,099,141,947.50/120,473.69
  6. Step 6: Final answer
    x = 92,129.18

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1.5x scale

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.