Home / 355,936.02-491,185.14-194,787.84

Finding the Fourth Proportional to 355,936.02, 491,185.14 and 194,787.84

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Solution

The fourth proportional to 355,936.02, 491,185.14 and 194,787.84 is: 268,803.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,936.02 : 491,185.14 = 194,787.84 : x
  2. Step 2: Convert to fraction form
    355,936.02/491,185.14 = 194,787.84/x
  3. Step 3: Cross multiply
    355,936.02x = 491,185.14 × 194,787.84
  4. Step 4: Simplify right side
    355,936.02x = 95,676,892,460.70
  5. Step 5: Solve for x
    x = 95,676,892,460.70/355,936.02
  6. Step 6: Final answer
    x = 268,803.63

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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.