Home / 159,671.24-220,336.98-91,672.52

Finding the Fourth Proportional to 159,671.24, 220,336.98 and 91,672.52

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Solution

The fourth proportional to 159,671.24, 220,336.98 and 91,672.52 is: 126,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,671.24 : 220,336.98 = 91,672.52 : x
  2. Step 2: Convert to fraction form
    159,671.24/220,336.98 = 91,672.52/x
  3. Step 3: Cross multiply
    159,671.24x = 220,336.98 × 91,672.52
  4. Step 4: Simplify right side
    159,671.24x = 20,198,846,205.79
  5. Step 5: Solve for x
    x = 20,198,846,205.79/159,671.24
  6. Step 6: Final answer
    x = 126,502.72

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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.