Home / 269,626.50-371,210.04-212,164.56

Finding the Fourth Proportional to 269,626.50, 371,210.04 and 212,164.56

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Solution

The fourth proportional to 269,626.50, 371,210.04 and 212,164.56 is: 292,098.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,626.50 : 371,210.04 = 212,164.56 : x
  2. Step 2: Convert to fraction form
    269,626.50/371,210.04 = 212,164.56/x
  3. Step 3: Cross multiply
    269,626.50x = 371,210.04 × 212,164.56
  4. Step 4: Simplify right side
    269,626.50x = 78,757,614,804.18
  5. Step 5: Solve for x
    x = 78,757,614,804.18/269,626.50
  6. Step 6: Final answer
    x = 292,098.94

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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.