Home / 120,964.46-166,921.49-67,246.20

Finding the Fourth Proportional to 120,964.46, 166,921.49 and 67,246.20

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Solution

The fourth proportional to 120,964.46, 166,921.49 and 67,246.20 is: 92,794.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,964.46 : 166,921.49 = 67,246.20 : x
  2. Step 2: Convert to fraction form
    120,964.46/166,921.49 = 67,246.20/x
  3. Step 3: Cross multiply
    120,964.46x = 166,921.49 × 67,246.20
  4. Step 4: Simplify right side
    120,964.46x = 11,224,836,068.95
  5. Step 5: Solve for x
    x = 11,224,836,068.95/120,964.46
  6. Step 6: Final answer
    x = 92,794.50

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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.