Home / 120,716.52-166,580.92-66,998.94

Finding the Fourth Proportional to 120,716.52, 166,580.92 and 66,998.94

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Solution

The fourth proportional to 120,716.52, 166,580.92 and 66,998.94 is: 92,454.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,716.52 : 166,580.92 = 66,998.94 : x
  2. Step 2: Convert to fraction form
    120,716.52/166,580.92 = 66,998.94/x
  3. Step 3: Cross multiply
    120,716.52x = 166,580.92 × 66,998.94
  4. Step 4: Simplify right side
    120,716.52x = 11,160,745,064.22
  5. Step 5: Solve for x
    x = 11,160,745,064.22/120,716.52
  6. Step 6: Final answer
    x = 92,454.17

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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.