Home / 215,047.78-296,618.97-197,201.86

Finding the Fourth Proportional to 215,047.78, 296,618.97 and 197,201.86

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Solution

The fourth proportional to 215,047.78, 296,618.97 and 197,201.86 is: 272,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,047.78 : 296,618.97 = 197,201.86 : x
  2. Step 2: Convert to fraction form
    215,047.78/296,618.97 = 197,201.86/x
  3. Step 3: Cross multiply
    215,047.78x = 296,618.97 × 197,201.86
  4. Step 4: Simplify right side
    215,047.78x = 58,493,812,595.28
  5. Step 5: Solve for x
    x = 58,493,812,595.28/215,047.78
  6. Step 6: Final answer
    x = 272,003.80

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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.