Home / 197,383.06-296,105.68-85,095.20

Finding the Fourth Proportional to 197,383.06, 296,105.68 and 85,095.20

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Solution

The fourth proportional to 197,383.06, 296,105.68 and 85,095.20 is: 127,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,383.06 : 296,105.68 = 85,095.20 : x
  2. Step 2: Convert to fraction form
    197,383.06/296,105.68 = 85,095.20/x
  3. Step 3: Cross multiply
    197,383.06x = 296,105.68 × 85,095.20
  4. Step 4: Simplify right side
    197,383.06x = 25,197,172,060.74
  5. Step 5: Solve for x
    x = 25,197,172,060.74/197,383.06
  6. Step 6: Final answer
    x = 127,656.20

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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.