Home / 201,788.14-278,467.62-116,954.42

Finding the Fourth Proportional to 201,788.14, 278,467.62 and 116,954.42

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Solution

The fourth proportional to 201,788.14, 278,467.62 and 116,954.42 is: 161,397.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,788.14 : 278,467.62 = 116,954.42 : x
  2. Step 2: Convert to fraction form
    201,788.14/278,467.62 = 116,954.42/x
  3. Step 3: Cross multiply
    201,788.14x = 278,467.62 × 116,954.42
  4. Step 4: Simplify right side
    201,788.14x = 32,568,018,985.88
  5. Step 5: Solve for x
    x = 32,568,018,985.88/201,788.14
  6. Step 6: Final answer
    x = 161,397.09

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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.