Home / 133,732.40-184,569.62-82,761.56

Finding the Fourth Proportional to 133,732.40, 184,569.62 and 82,761.56

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Solution

The fourth proportional to 133,732.40, 184,569.62 and 82,761.56 is: 114,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,732.40 : 184,569.62 = 82,761.56 : x
  2. Step 2: Convert to fraction form
    133,732.40/184,569.62 = 82,761.56/x
  3. Step 3: Cross multiply
    133,732.40x = 184,569.62 × 82,761.56
  4. Step 4: Simplify right side
    133,732.40x = 15,275,268,343.15
  5. Step 5: Solve for x
    x = 15,275,268,343.15/133,732.40
  6. Step 6: Final answer
    x = 114,222.65

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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.