Home / 198,295.12-295,552.61-187,086.73

Finding the Fourth Proportional to 198,295.12, 295,552.61 and 187,086.73

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Solution

The fourth proportional to 198,295.12, 295,552.61 and 187,086.73 is: 278,846.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,295.12 : 295,552.61 = 187,086.73 : x
  2. Step 2: Convert to fraction form
    198,295.12/295,552.61 = 187,086.73/x
  3. Step 3: Cross multiply
    198,295.12x = 295,552.61 × 187,086.73
  4. Step 4: Simplify right side
    198,295.12x = 55,293,971,347.87
  5. Step 5: Solve for x
    x = 55,293,971,347.87/198,295.12
  6. Step 6: Final answer
    x = 278,846.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.