Home / 239,954.05-331,134.64-132,531.45

Finding the Fourth Proportional to 239,954.05, 331,134.64 and 132,531.45

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Solution

The fourth proportional to 239,954.05, 331,134.64 and 132,531.45 is: 182,892.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,954.05 : 331,134.64 = 132,531.45 : x
  2. Step 2: Convert to fraction form
    239,954.05/331,134.64 = 132,531.45/x
  3. Step 3: Cross multiply
    239,954.05x = 331,134.64 × 132,531.45
  4. Step 4: Simplify right side
    239,954.05x = 43,885,753,984.43
  5. Step 5: Solve for x
    x = 43,885,753,984.43/239,954.05
  6. Step 6: Final answer
    x = 182,892.32

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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.