Home / 269,305.18-371,619.30-156,135.22

Finding the Fourth Proportional to 269,305.18, 371,619.30 and 156,135.22

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Solution

The fourth proportional to 269,305.18, 371,619.30 and 156,135.22 is: 215,453.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,305.18 : 371,619.30 = 156,135.22 : x
  2. Step 2: Convert to fraction form
    269,305.18/371,619.30 = 156,135.22/x
  3. Step 3: Cross multiply
    269,305.18x = 371,619.30 × 156,135.22
  4. Step 4: Simplify right side
    269,305.18x = 58,022,861,161.75
  5. Step 5: Solve for x
    x = 58,022,861,161.75/269,305.18
  6. Step 6: Final answer
    x = 215,453.94

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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.