Home / 140,912.73-194,453.46-84,355.29

Finding the Fourth Proportional to 140,912.73, 194,453.46 and 84,355.29

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Solution

The fourth proportional to 140,912.73, 194,453.46 and 84,355.29 is: 116,406.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,912.73 : 194,453.46 = 84,355.29 : x
  2. Step 2: Convert to fraction form
    140,912.73/194,453.46 = 84,355.29/x
  3. Step 3: Cross multiply
    140,912.73x = 194,453.46 × 84,355.29
  4. Step 4: Simplify right side
    140,912.73x = 16,403,178,009.80
  5. Step 5: Solve for x
    x = 16,403,178,009.80/140,912.73
  6. Step 6: Final answer
    x = 116,406.64

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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.