Home / 120,936.28-166,892.68-67,226.28

Finding the Fourth Proportional to 120,936.28, 166,892.68 and 67,226.28

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Solution

The fourth proportional to 120,936.28, 166,892.68 and 67,226.28 is: 92,772.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,936.28 : 166,892.68 = 67,226.28 : x
  2. Step 2: Convert to fraction form
    120,936.28/166,892.68 = 67,226.28/x
  3. Step 3: Cross multiply
    120,936.28x = 166,892.68 × 67,226.28
  4. Step 4: Simplify right side
    120,936.28x = 11,219,574,035.63
  5. Step 5: Solve for x
    x = 11,219,574,035.63/120,936.28
  6. Step 6: Final answer
    x = 92,772.61

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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.