Home / 355,940.16-491,192.82-194,792.28

Finding the Fourth Proportional to 355,940.16, 491,192.82 and 194,792.28

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Solution

The fourth proportional to 355,940.16, 491,192.82 and 194,792.28 is: 268,810.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,940.16 : 491,192.82 = 194,792.28 : x
  2. Step 2: Convert to fraction form
    355,940.16/491,192.82 = 194,792.28/x
  3. Step 3: Cross multiply
    355,940.16x = 491,192.82 × 194,792.28
  4. Step 4: Simplify right side
    355,940.16x = 95,680,569,327.43
  5. Step 5: Solve for x
    x = 95,680,569,327.43/355,940.16
  6. Step 6: Final answer
    x = 268,810.83

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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.