Home / 120,573.20-166,392.24-66,859.04

Finding the Fourth Proportional to 120,573.20, 166,392.24 and 66,859.04

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Solution

The fourth proportional to 120,573.20, 166,392.24 and 66,859.04 is: 92,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,573.20 : 166,392.24 = 66,859.04 : x
  2. Step 2: Convert to fraction form
    120,573.20/166,392.24 = 66,859.04/x
  3. Step 3: Cross multiply
    120,573.20x = 166,392.24 × 66,859.04
  4. Step 4: Simplify right side
    120,573.20x = 11,124,825,429.85
  5. Step 5: Solve for x
    x = 11,124,825,429.85/120,573.20
  6. Step 6: Final answer
    x = 92,266.15

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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.