Home / 132,768.52-183,399.60-123,320.68

Finding the Fourth Proportional to 132,768.52, 183,399.60 and 123,320.68

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Solution

The fourth proportional to 132,768.52, 183,399.60 and 123,320.68 is: 170,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,768.52 : 183,399.60 = 123,320.68 : x
  2. Step 2: Convert to fraction form
    132,768.52/183,399.60 = 123,320.68/x
  3. Step 3: Cross multiply
    132,768.52x = 183,399.60 × 123,320.68
  4. Step 4: Simplify right side
    132,768.52x = 22,616,963,383.73
  5. Step 5: Solve for x
    x = 22,616,963,383.73/132,768.52
  6. Step 6: Final answer
    x = 170,348.84

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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.