Home / 356,343.57-491,754.23-195,204.39

Finding the Fourth Proportional to 356,343.57, 491,754.23 and 195,204.39

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Solution

The fourth proportional to 356,343.57, 491,754.23 and 195,204.39 is: 269,382.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,343.57 : 491,754.23 = 195,204.39 : x
  2. Step 2: Convert to fraction form
    356,343.57/491,754.23 = 195,204.39/x
  3. Step 3: Cross multiply
    356,343.57x = 491,754.23 × 195,204.39
  4. Step 4: Simplify right side
    356,343.57x = 95,992,583,521.05
  5. Step 5: Solve for x
    x = 95,992,583,521.05/356,343.57
  6. Step 6: Final answer
    x = 269,382.11

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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.