Home / 120,932.20-166,879.29-67,215.37

Finding the Fourth Proportional to 120,932.20, 166,879.29 and 67,215.37

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Solution

The fourth proportional to 120,932.20, 166,879.29 and 67,215.37 is: 92,753.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,932.20 : 166,879.29 = 67,215.37 : x
  2. Step 2: Convert to fraction form
    120,932.20/166,879.29 = 67,215.37/x
  3. Step 3: Cross multiply
    120,932.20x = 166,879.29 × 67,215.37
  4. Step 4: Simplify right side
    120,932.20x = 11,216,853,222.69
  5. Step 5: Solve for x
    x = 11,216,853,222.69/120,932.20
  6. Step 6: Final answer
    x = 92,753.24

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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.