Home / 197,961.75-296,992.14-57,720.38

Finding the Fourth Proportional to 197,961.75, 296,992.14 and 57,720.38

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Solution

The fourth proportional to 197,961.75, 296,992.14 and 57,720.38 is: 86,595.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,961.75 : 296,992.14 = 57,720.38 : x
  2. Step 2: Convert to fraction form
    197,961.75/296,992.14 = 57,720.38/x
  3. Step 3: Cross multiply
    197,961.75x = 296,992.14 × 57,720.38
  4. Step 4: Simplify right side
    197,961.75x = 17,142,497,476.40
  5. Step 5: Solve for x
    x = 17,142,497,476.40/197,961.75
  6. Step 6: Final answer
    x = 86,595.00

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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.