Home / 264,040.12-395,901.96-84,047.80

Finding the Fourth Proportional to 264,040.12, 395,901.96 and 84,047.80

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Solution

The fourth proportional to 264,040.12, 395,901.96 and 84,047.80 is: 126,021.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,040.12 : 395,901.96 = 84,047.80 : x
  2. Step 2: Convert to fraction form
    264,040.12/395,901.96 = 84,047.80/x
  3. Step 3: Cross multiply
    264,040.12x = 395,901.96 × 84,047.80
  4. Step 4: Simplify right side
    264,040.12x = 33,274,688,753.69
  5. Step 5: Solve for x
    x = 33,274,688,753.69/264,040.12
  6. Step 6: Final answer
    x = 126,021.34

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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.