Home / 272,114.33-408,172.31-82,576.22

Finding the Fourth Proportional to 272,114.33, 408,172.31 and 82,576.22

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Solution

The fourth proportional to 272,114.33, 408,172.31 and 82,576.22 is: 123,864.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,114.33 : 408,172.31 = 82,576.22 : x
  2. Step 2: Convert to fraction form
    272,114.33/408,172.31 = 82,576.22/x
  3. Step 3: Cross multiply
    272,114.33x = 408,172.31 × 82,576.22
  4. Step 4: Simplify right side
    272,114.33x = 33,705,326,468.47
  5. Step 5: Solve for x
    x = 33,705,326,468.47/272,114.33
  6. Step 6: Final answer
    x = 123,864.58

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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.