Home / 120,652.25-166,492.59-66,936.18

Finding the Fourth Proportional to 120,652.25, 166,492.59 and 66,936.18

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Solution

The fourth proportional to 120,652.25, 166,492.59 and 66,936.18 is: 92,367.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,652.25 : 166,492.59 = 66,936.18 : x
  2. Step 2: Convert to fraction form
    120,652.25/166,492.59 = 66,936.18/x
  3. Step 3: Cross multiply
    120,652.25x = 166,492.59 × 66,936.18
  4. Step 4: Simplify right side
    120,652.25x = 11,144,377,972.91
  5. Step 5: Solve for x
    x = 11,144,377,972.91/120,652.25
  6. Step 6: Final answer
    x = 92,367.76

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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.