Home / 234,383.72-323,432.73-137,591.50

Finding the Fourth Proportional to 234,383.72, 323,432.73 and 137,591.50

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Solution

The fourth proportional to 234,383.72, 323,432.73 and 137,591.50 is: 189,866.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,383.72 : 323,432.73 = 137,591.50 : x
  2. Step 2: Convert to fraction form
    234,383.72/323,432.73 = 137,591.50/x
  3. Step 3: Cross multiply
    234,383.72x = 323,432.73 × 137,591.50
  4. Step 4: Simplify right side
    234,383.72x = 44,501,594,469.80
  5. Step 5: Solve for x
    x = 44,501,594,469.80/234,383.72
  6. Step 6: Final answer
    x = 189,866.41

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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.