Home / 201,631.97-302,236.94-75,221.34

Finding the Fourth Proportional to 201,631.97, 302,236.94 and 75,221.34

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Solution

The fourth proportional to 201,631.97, 302,236.94 and 75,221.34 is: 112,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,631.97 : 302,236.94 = 75,221.34 : x
  2. Step 2: Convert to fraction form
    201,631.97/302,236.94 = 75,221.34/x
  3. Step 3: Cross multiply
    201,631.97x = 302,236.94 × 75,221.34
  4. Step 4: Simplify right side
    201,631.97x = 22,734,667,248.19
  5. Step 5: Solve for x
    x = 22,734,667,248.19/201,631.97
  6. Step 6: Final answer
    x = 112,753.29

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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.