Home / 132,791.17-183,251.82-72,361.80

Finding the Fourth Proportional to 132,791.17, 183,251.82 and 72,361.80

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Solution

The fourth proportional to 132,791.17, 183,251.82 and 72,361.80 is: 99,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,791.17 : 183,251.82 = 72,361.80 : x
  2. Step 2: Convert to fraction form
    132,791.17/183,251.82 = 72,361.80/x
  3. Step 3: Cross multiply
    132,791.17x = 183,251.82 × 72,361.80
  4. Step 4: Simplify right side
    132,791.17x = 13,260,431,741.86
  5. Step 5: Solve for x
    x = 13,260,431,741.86/132,791.17
  6. Step 6: Final answer
    x = 99,859.29

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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.