Home / 120,790.38-166,694.90-67,076.30

Finding the Fourth Proportional to 120,790.38, 166,694.90 and 67,076.30

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Solution

The fourth proportional to 120,790.38, 166,694.90 and 67,076.30 is: 92,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,790.38 : 166,694.90 = 67,076.30 : x
  2. Step 2: Convert to fraction form
    120,790.38/166,694.90 = 67,076.30/x
  3. Step 3: Cross multiply
    120,790.38x = 166,694.90 × 67,076.30
  4. Step 4: Simplify right side
    120,790.38x = 11,181,275,952.01
  5. Step 5: Solve for x
    x = 11,181,275,952.01/120,790.38
  6. Step 6: Final answer
    x = 92,567.60

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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.