Home / 132,198.15-182,436.62-71,771.34

Finding the Fourth Proportional to 132,198.15, 182,436.62 and 71,771.34

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Solution

The fourth proportional to 132,198.15, 182,436.62 and 71,771.34 is: 99,046.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,198.15 : 182,436.62 = 71,771.34 : x
  2. Step 2: Convert to fraction form
    132,198.15/182,436.62 = 71,771.34/x
  3. Step 3: Cross multiply
    132,198.15x = 182,436.62 × 71,771.34
  4. Step 4: Simplify right side
    132,198.15x = 13,093,720,682.47
  5. Step 5: Solve for x
    x = 13,093,720,682.47/132,198.15
  6. Step 6: Final answer
    x = 99,046.17

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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.