Home / 120,538.45-166,479.24-82,232.22

Finding the Fourth Proportional to 120,538.45, 166,479.24 and 82,232.22

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Solution

The fourth proportional to 120,538.45, 166,479.24 and 82,232.22 is: 113,573.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,538.45 : 166,479.24 = 82,232.22 : x
  2. Step 2: Convert to fraction form
    120,538.45/166,479.24 = 82,232.22/x
  3. Step 3: Cross multiply
    120,538.45x = 166,479.24 × 82,232.22
  4. Step 4: Simplify right side
    120,538.45x = 13,689,957,489.11
  5. Step 5: Solve for x
    x = 13,689,957,489.11/120,538.45
  6. Step 6: Final answer
    x = 113,573.37

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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.