Home / 133,788.78-200,687.49-49,570.11

Finding the Fourth Proportional to 133,788.78, 200,687.49 and 49,570.11

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Solution

The fourth proportional to 133,788.78, 200,687.49 and 49,570.11 is: 74,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,788.78 : 200,687.49 = 49,570.11 : x
  2. Step 2: Convert to fraction form
    133,788.78/200,687.49 = 49,570.11/x
  3. Step 3: Cross multiply
    133,788.78x = 200,687.49 × 49,570.11
  4. Step 4: Simplify right side
    133,788.78x = 9,948,100,954.92
  5. Step 5: Solve for x
    x = 9,948,100,954.92/133,788.78
  6. Step 6: Final answer
    x = 74,356.77

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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.