Home / 120,796.32-166,693.28-67,084.80

Finding the Fourth Proportional to 120,796.32, 166,693.28 and 67,084.80

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Solution

The fourth proportional to 120,796.32, 166,693.28 and 67,084.80 is: 92,573.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,796.32 : 166,693.28 = 67,084.80 : x
  2. Step 2: Convert to fraction form
    120,796.32/166,693.28 = 67,084.80/x
  3. Step 3: Cross multiply
    120,796.32x = 166,693.28 × 67,084.80
  4. Step 4: Simplify right side
    120,796.32x = 11,182,585,350.14
  5. Step 5: Solve for x
    x = 11,182,585,350.14/120,796.32
  6. Step 6: Final answer
    x = 92,573.89

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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.