Home / 120,824.04-166,732.54-67,112.49

Finding the Fourth Proportional to 120,824.04, 166,732.54 and 67,112.49

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Solution

The fourth proportional to 120,824.04, 166,732.54 and 67,112.49 is: 92,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,824.04 : 166,732.54 = 67,112.49 : x
  2. Step 2: Convert to fraction form
    120,824.04/166,732.54 = 67,112.49/x
  3. Step 3: Cross multiply
    120,824.04x = 166,732.54 × 67,112.49
  4. Step 4: Simplify right side
    120,824.04x = 11,189,835,755.64
  5. Step 5: Solve for x
    x = 11,189,835,755.64/120,824.04
  6. Step 6: Final answer
    x = 92,612.66

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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.