Home / 112,205.20-168,016.20-88,682.80

Finding the Fourth Proportional to 112,205.20, 168,016.20 and 88,682.80

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Solution

The fourth proportional to 112,205.20, 168,016.20 and 88,682.80 is: 132,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,205.20 : 168,016.20 = 88,682.80 : x
  2. Step 2: Convert to fraction form
    112,205.20/168,016.20 = 88,682.80/x
  3. Step 3: Cross multiply
    112,205.20x = 168,016.20 × 88,682.80
  4. Step 4: Simplify right side
    112,205.20x = 14,900,147,061.36
  5. Step 5: Solve for x
    x = 14,900,147,061.36/112,205.20
  6. Step 6: Final answer
    x = 132,793.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.