Home / 132,166.77-198,270.81-43,400.09

Finding the Fourth Proportional to 132,166.77, 198,270.81 and 43,400.09

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Solution

The fourth proportional to 132,166.77, 198,270.81 and 43,400.09 is: 65,106.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,166.77 : 198,270.81 = 43,400.09 : x
  2. Step 2: Convert to fraction form
    132,166.77/198,270.81 = 43,400.09/x
  3. Step 3: Cross multiply
    132,166.77x = 198,270.81 × 43,400.09
  4. Step 4: Simplify right side
    132,166.77x = 8,604,970,007.02
  5. Step 5: Solve for x
    x = 8,604,970,007.02/132,166.77
  6. Step 6: Final answer
    x = 65,106.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.