Home / 356,315.24-491,727-195,179.36

Finding the Fourth Proportional to 356,315.24, 491,727 and 195,179.36

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Solution

The fourth proportional to 356,315.24, 491,727 and 195,179.36 is: 269,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,315.24 : 491,727 = 195,179.36 : x
  2. Step 2: Convert to fraction form
    356,315.24/491,727 = 195,179.36/x
  3. Step 3: Cross multiply
    356,315.24x = 491,727 × 195,179.36
  4. Step 4: Simplify right side
    356,315.24x = 95,974,958,696.09
  5. Step 5: Solve for x
    x = 95,974,958,696.09/356,315.24
  6. Step 6: Final answer
    x = 269,354.07

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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.