Home / 255,361.46-383,181.50-105,614.73

Finding the Fourth Proportional to 255,361.46, 383,181.50 and 105,614.73

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Solution

The fourth proportional to 255,361.46, 383,181.50 and 105,614.73 is: 158,479.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,361.46 : 383,181.50 = 105,614.73 : x
  2. Step 2: Convert to fraction form
    255,361.46/383,181.50 = 105,614.73/x
  3. Step 3: Cross multiply
    255,361.46x = 383,181.50 × 105,614.73
  4. Step 4: Simplify right side
    255,361.46x = 40,469,610,135.42
  5. Step 5: Solve for x
    x = 40,469,610,135.42/255,361.46
  6. Step 6: Final answer
    x = 158,479.71

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1.5x scale

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.