Home / 120,934.28-166,889.92-67,224.28

Finding the Fourth Proportional to 120,934.28, 166,889.92 and 67,224.28

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Solution

The fourth proportional to 120,934.28, 166,889.92 and 67,224.28 is: 92,769.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,934.28 : 166,889.92 = 67,224.28 : x
  2. Step 2: Convert to fraction form
    120,934.28/166,889.92 = 67,224.28/x
  3. Step 3: Cross multiply
    120,934.28x = 166,889.92 × 67,224.28
  4. Step 4: Simplify right side
    120,934.28x = 11,219,054,711.26
  5. Step 5: Solve for x
    x = 11,219,054,711.26/120,934.28
  6. Step 6: Final answer
    x = 92,769.85

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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.