Home / 197,882.12-296,712.22-85,492.20

Finding the Fourth Proportional to 197,882.12, 296,712.22 and 85,492.20

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Solution

The fourth proportional to 197,882.12, 296,712.22 and 85,492.20 is: 128,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,882.12 : 296,712.22 = 85,492.20 : x
  2. Step 2: Convert to fraction form
    197,882.12/296,712.22 = 85,492.20/x
  3. Step 3: Cross multiply
    197,882.12x = 296,712.22 × 85,492.20
  4. Step 4: Simplify right side
    197,882.12x = 25,366,580,454.68
  5. Step 5: Solve for x
    x = 25,366,580,454.68/197,882.12
  6. Step 6: Final answer
    x = 128,190.36

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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.