Home / 194,905.16-268,969.38-105,481.16

Finding the Fourth Proportional to 194,905.16, 268,969.38 and 105,481.16

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Solution

The fourth proportional to 194,905.16, 268,969.38 and 105,481.16 is: 145,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,905.16 : 268,969.38 = 105,481.16 : x
  2. Step 2: Convert to fraction form
    194,905.16/268,969.38 = 105,481.16/x
  3. Step 3: Cross multiply
    194,905.16x = 268,969.38 × 105,481.16
  4. Step 4: Simplify right side
    194,905.16x = 28,371,202,206.88
  5. Step 5: Solve for x
    x = 28,371,202,206.88/194,905.16
  6. Step 6: Final answer
    x = 145,564.14

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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.