Home / 122,074.20-168,442.92-68,361.48

Finding the Fourth Proportional to 122,074.20, 168,442.92 and 68,361.48

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Solution

The fourth proportional to 122,074.20, 168,442.92 and 68,361.48 is: 94,327.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,074.20 : 168,442.92 = 68,361.48 : x
  2. Step 2: Convert to fraction form
    122,074.20/168,442.92 = 68,361.48/x
  3. Step 3: Cross multiply
    122,074.20x = 168,442.92 × 68,361.48
  4. Step 4: Simplify right side
    122,074.20x = 11,515,007,306.72
  5. Step 5: Solve for x
    x = 11,515,007,306.72/122,074.20
  6. Step 6: Final answer
    x = 94,327.94

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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.