Home / 120,844.34-166,760.54-67,132.73

Finding the Fourth Proportional to 120,844.34, 166,760.54 and 67,132.73

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Solution

The fourth proportional to 120,844.34, 166,760.54 and 67,132.73 is: 92,640.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,844.34 : 166,760.54 = 67,132.73 : x
  2. Step 2: Convert to fraction form
    120,844.34/166,760.54 = 67,132.73/x
  3. Step 3: Cross multiply
    120,844.34x = 166,760.54 × 67,132.73
  4. Step 4: Simplify right side
    120,844.34x = 11,195,089,137.01
  5. Step 5: Solve for x
    x = 11,195,089,137.01/120,844.34
  6. Step 6: Final answer
    x = 92,640.58

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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.