Home / 188,072.10-282,126.38-54,949.41

Finding the Fourth Proportional to 188,072.10, 282,126.38 and 54,949.41

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Solution

The fourth proportional to 188,072.10, 282,126.38 and 54,949.41 is: 82,429.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,072.10 : 282,126.38 = 54,949.41 : x
  2. Step 2: Convert to fraction form
    188,072.10/282,126.38 = 54,949.41/x
  3. Step 3: Cross multiply
    188,072.10x = 282,126.38 × 54,949.41
  4. Step 4: Simplify right side
    188,072.10x = 15,502,677,851.69
  5. Step 5: Solve for x
    x = 15,502,677,851.69/188,072.10
  6. Step 6: Final answer
    x = 82,429.44

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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.