Home / 197,628.85-296,451.47-57,387.47

Finding the Fourth Proportional to 197,628.85, 296,451.47 and 57,387.47

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Solution

The fourth proportional to 197,628.85, 296,451.47 and 57,387.47 is: 86,083.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,628.85 : 296,451.47 = 57,387.47 : x
  2. Step 2: Convert to fraction form
    197,628.85/296,451.47 = 57,387.47/x
  3. Step 3: Cross multiply
    197,628.85x = 296,451.47 × 57,387.47
  4. Step 4: Simplify right side
    197,628.85x = 17,012,599,554.14
  5. Step 5: Solve for x
    x = 17,012,599,554.14/197,628.85
  6. Step 6: Final answer
    x = 86,083.59

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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.