Home / 132,206.40-198,601.20-127,249.20

Finding the Fourth Proportional to 132,206.40, 198,601.20 and 127,249.20

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Solution

The fourth proportional to 132,206.40, 198,601.20 and 127,249.20 is: 191,154.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,206.40 : 198,601.20 = 127,249.20 : x
  2. Step 2: Convert to fraction form
    132,206.40/198,601.20 = 127,249.20/x
  3. Step 3: Cross multiply
    132,206.40x = 198,601.20 × 127,249.20
  4. Step 4: Simplify right side
    132,206.40x = 25,271,843,819.04
  5. Step 5: Solve for x
    x = 25,271,843,819.04/132,206.40
  6. Step 6: Final answer
    x = 191,154.47

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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.