Home / 286,005.34-394,872.25-177,225.11

Finding the Fourth Proportional to 286,005.34, 394,872.25 and 177,225.11

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Solution

The fourth proportional to 286,005.34, 394,872.25 and 177,225.11 is: 244,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,005.34 : 394,872.25 = 177,225.11 : x
  2. Step 2: Convert to fraction form
    286,005.34/394,872.25 = 177,225.11/x
  3. Step 3: Cross multiply
    286,005.34x = 394,872.25 × 177,225.11
  4. Step 4: Simplify right side
    286,005.34x = 69,981,277,942.20
  5. Step 5: Solve for x
    x = 69,981,277,942.20/286,005.34
  6. Step 6: Final answer
    x = 244,685.21

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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.