Home / 133,270.92-183,914.82-72,842.76

Finding the Fourth Proportional to 133,270.92, 183,914.82 and 72,842.76

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Solution

The fourth proportional to 133,270.92, 183,914.82 and 72,842.76 is: 100,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,270.92 : 183,914.82 = 72,842.76 : x
  2. Step 2: Convert to fraction form
    133,270.92/183,914.82 = 72,842.76/x
  3. Step 3: Cross multiply
    133,270.92x = 183,914.82 × 72,842.76
  4. Step 4: Simplify right side
    133,270.92x = 13,396,863,093.70
  5. Step 5: Solve for x
    x = 13,396,863,093.70/133,270.92
  6. Step 6: Final answer
    x = 100,523.53

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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.