Home / 132,166.73-182,138.69-129,737.81

Finding the Fourth Proportional to 132,166.73, 182,138.69 and 129,737.81

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Solution

The fourth proportional to 132,166.73, 182,138.69 and 129,737.81 is: 178,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,166.73 : 182,138.69 = 129,737.81 : x
  2. Step 2: Convert to fraction form
    132,166.73/182,138.69 = 129,737.81/x
  3. Step 3: Cross multiply
    132,166.73x = 182,138.69 × 129,737.81
  4. Step 4: Simplify right side
    132,166.73x = 23,630,274,108.18
  5. Step 5: Solve for x
    x = 23,630,274,108.18/132,166.73
  6. Step 6: Final answer
    x = 178,791.40

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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.