Home / 356,716.30-492,266.55-195,578.14

Finding the Fourth Proportional to 356,716.30, 492,266.55 and 195,578.14

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Solution

The fourth proportional to 356,716.30, 492,266.55 and 195,578.14 is: 269,896.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,716.30 : 492,266.55 = 195,578.14 : x
  2. Step 2: Convert to fraction form
    356,716.30/492,266.55 = 195,578.14/x
  3. Step 3: Cross multiply
    356,716.30x = 492,266.55 × 195,578.14
  4. Step 4: Simplify right side
    356,716.30x = 96,276,576,233.22
  5. Step 5: Solve for x
    x = 96,276,576,233.22/356,716.30
  6. Step 6: Final answer
    x = 269,896.77

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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.