Home / 201,631.82-278,239.66-116,732.48

Finding the Fourth Proportional to 201,631.82, 278,239.66 and 116,732.48

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Solution

The fourth proportional to 201,631.82, 278,239.66 and 116,732.48 is: 161,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,631.82 : 278,239.66 = 116,732.48 : x
  2. Step 2: Convert to fraction form
    201,631.82/278,239.66 = 116,732.48/x
  3. Step 3: Cross multiply
    201,631.82x = 278,239.66 × 116,732.48
  4. Step 4: Simplify right side
    201,631.82x = 32,479,603,863.13
  5. Step 5: Solve for x
    x = 32,479,603,863.13/201,631.82
  6. Step 6: Final answer
    x = 161,083.73

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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.