Home / 194,905.02-268,968.96-105,481.02

Finding the Fourth Proportional to 194,905.02, 268,968.96 and 105,481.02

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Solution

The fourth proportional to 194,905.02, 268,968.96 and 105,481.02 is: 145,563.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,905.02 : 268,968.96 = 105,481.02 : x
  2. Step 2: Convert to fraction form
    194,905.02/268,968.96 = 105,481.02/x
  3. Step 3: Cross multiply
    194,905.02x = 268,968.96 × 105,481.02
  4. Step 4: Simplify right side
    194,905.02x = 28,371,120,249.14
  5. Step 5: Solve for x
    x = 28,371,120,249.14/194,905.02
  6. Step 6: Final answer
    x = 145,563.83

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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.