Home / 367,862.94-551,837.61-131,239.26

Finding the Fourth Proportional to 367,862.94, 551,837.61 and 131,239.26

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Solution

The fourth proportional to 367,862.94, 551,837.61 and 131,239.26 is: 196,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,862.94 : 551,837.61 = 131,239.26 : x
  2. Step 2: Convert to fraction form
    367,862.94/551,837.61 = 131,239.26/x
  3. Step 3: Cross multiply
    367,862.94x = 551,837.61 × 131,239.26
  4. Step 4: Simplify right side
    367,862.94x = 72,422,759,576.57
  5. Step 5: Solve for x
    x = 72,422,759,576.57/367,862.94
  6. Step 6: Final answer
    x = 196,874.30

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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.