Home / 356,164.80-491,507.37-195,019.82

Finding the Fourth Proportional to 356,164.80, 491,507.37 and 195,019.82

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Solution

The fourth proportional to 356,164.80, 491,507.37 and 195,019.82 is: 269,127.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,164.80 : 491,507.37 = 195,019.82 : x
  2. Step 2: Convert to fraction form
    356,164.80/491,507.37 = 195,019.82/x
  3. Step 3: Cross multiply
    356,164.80x = 491,507.37 × 195,019.82
  4. Step 4: Simplify right side
    356,164.80x = 95,853,677,850.97
  5. Step 5: Solve for x
    x = 95,853,677,850.97/356,164.80
  6. Step 6: Final answer
    x = 269,127.32

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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.