Home / 356,305.83-491,702.16-195,163.56

Finding the Fourth Proportional to 356,305.83, 491,702.16 and 195,163.56

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Solution

The fourth proportional to 356,305.83, 491,702.16 and 195,163.56 is: 269,325.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,305.83 : 491,702.16 = 195,163.56 : x
  2. Step 2: Convert to fraction form
    356,305.83/491,702.16 = 195,163.56/x
  3. Step 3: Cross multiply
    356,305.83x = 491,702.16 × 195,163.56
  4. Step 4: Simplify right side
    356,305.83x = 95,962,344,005.29
  5. Step 5: Solve for x
    x = 95,962,344,005.29/356,305.83
  6. Step 6: Final answer
    x = 269,325.78

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1.5x scale

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.