Home / 356,185.35-491,535.54-195,040.26

Finding the Fourth Proportional to 356,185.35, 491,535.54 and 195,040.26

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Solution

The fourth proportional to 356,185.35, 491,535.54 and 195,040.26 is: 269,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,185.35 : 491,535.54 = 195,040.26 : x
  2. Step 2: Convert to fraction form
    356,185.35/491,535.54 = 195,040.26/x
  3. Step 3: Cross multiply
    356,185.35x = 491,535.54 × 195,040.26
  4. Step 4: Simplify right side
    356,185.35x = 95,869,219,520.84
  5. Step 5: Solve for x
    x = 95,869,219,520.84/356,185.35
  6. Step 6: Final answer
    x = 269,155.43

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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.