Home / 331,185.96-457,077.14-187,990.92

Finding the Fourth Proportional to 331,185.96, 457,077.14 and 187,990.92

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Solution

The fourth proportional to 331,185.96, 457,077.14 and 187,990.92 is: 259,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,185.96 : 457,077.14 = 187,990.92 : x
  2. Step 2: Convert to fraction form
    331,185.96/457,077.14 = 187,990.92/x
  3. Step 3: Cross multiply
    331,185.96x = 457,077.14 × 187,990.92
  4. Step 4: Simplify right side
    331,185.96x = 85,926,352,059.57
  5. Step 5: Solve for x
    x = 85,926,352,059.57/331,185.96
  6. Step 6: Final answer
    x = 259,450.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.