Home / 270,704.43-405,916.62-118,839.35

Finding the Fourth Proportional to 270,704.43, 405,916.62 and 118,839.35

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Solution

The fourth proportional to 270,704.43, 405,916.62 and 118,839.35 is: 178,197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,704.43 : 405,916.62 = 118,839.35 : x
  2. Step 2: Convert to fraction form
    270,704.43/405,916.62 = 118,839.35/x
  3. Step 3: Cross multiply
    270,704.43x = 405,916.62 × 118,839.35
  4. Step 4: Simplify right side
    270,704.43x = 48,238,867,844.14
  5. Step 5: Solve for x
    x = 48,238,867,844.14/270,704.43
  6. Step 6: Final answer
    x = 178,197.56

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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.