Home / 197,772.80-296,667.40-57,531.43

Finding the Fourth Proportional to 197,772.80, 296,667.40 and 57,531.43

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Solution

The fourth proportional to 197,772.80, 296,667.40 and 57,531.43 is: 86,299.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,772.80 : 296,667.40 = 57,531.43 : x
  2. Step 2: Convert to fraction form
    197,772.80/296,667.40 = 57,531.43/x
  3. Step 3: Cross multiply
    197,772.80x = 296,667.40 × 57,531.43
  4. Step 4: Simplify right side
    197,772.80x = 17,067,699,122.86
  5. Step 5: Solve for x
    x = 17,067,699,122.86/197,772.80
  6. Step 6: Final answer
    x = 86,299.53

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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.