Home / 132,506.37-182,906.27-78,791.22

Finding the Fourth Proportional to 132,506.37, 182,906.27 and 78,791.22

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Solution

The fourth proportional to 132,506.37, 182,906.27 and 78,791.22 is: 108,760.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,506.37 : 182,906.27 = 78,791.22 : x
  2. Step 2: Convert to fraction form
    132,506.37/182,906.27 = 78,791.22/x
  3. Step 3: Cross multiply
    132,506.37x = 182,906.27 × 78,791.22
  4. Step 4: Simplify right side
    132,506.37x = 14,411,408,158.95
  5. Step 5: Solve for x
    x = 14,411,408,158.95/132,506.37
  6. Step 6: Final answer
    x = 108,760.12

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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.