Home / 383,198.10-528,822.72-213,435.06

Finding the Fourth Proportional to 383,198.10, 528,822.72 and 213,435.06

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Solution

The fourth proportional to 383,198.10, 528,822.72 and 213,435.06 is: 294,545.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,198.10 : 528,822.72 = 213,435.06 : x
  2. Step 2: Convert to fraction form
    383,198.10/528,822.72 = 213,435.06/x
  3. Step 3: Cross multiply
    383,198.10x = 528,822.72 × 213,435.06
  4. Step 4: Simplify right side
    383,198.10x = 112,869,308,972.56
  5. Step 5: Solve for x
    x = 112,869,308,972.56/383,198.10
  6. Step 6: Final answer
    x = 294,545.59

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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.