Home / 264,022.78-395,903.10-84,084.75

Finding the Fourth Proportional to 264,022.78, 395,903.10 and 84,084.75

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Solution

The fourth proportional to 264,022.78, 395,903.10 and 84,084.75 is: 126,085.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,022.78 : 395,903.10 = 84,084.75 : x
  2. Step 2: Convert to fraction form
    264,022.78/395,903.10 = 84,084.75/x
  3. Step 3: Cross multiply
    264,022.78x = 395,903.10 × 84,084.75
  4. Step 4: Simplify right side
    264,022.78x = 33,289,412,408.18
  5. Step 5: Solve for x
    x = 33,289,412,408.18/264,022.78
  6. Step 6: Final answer
    x = 126,085.38

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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.