Home / 356,072.75-491,389.05-194,927.30

Finding the Fourth Proportional to 356,072.75, 491,389.05 and 194,927.30

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Solution

The fourth proportional to 356,072.75, 491,389.05 and 194,927.30 is: 269,004.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,072.75 : 491,389.05 = 194,927.30 : x
  2. Step 2: Convert to fraction form
    356,072.75/491,389.05 = 194,927.30/x
  3. Step 3: Cross multiply
    356,072.75x = 491,389.05 × 194,927.30
  4. Step 4: Simplify right side
    356,072.75x = 95,785,140,766.07
  5. Step 5: Solve for x
    x = 95,785,140,766.07/356,072.75
  6. Step 6: Final answer
    x = 269,004.41

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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.