Home / 263,461.57-395,192.64-123,318.61

Finding the Fourth Proportional to 263,461.57, 395,192.64 and 123,318.61

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Solution

The fourth proportional to 263,461.57, 395,192.64 and 123,318.61 is: 184,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,461.57 : 395,192.64 = 123,318.61 : x
  2. Step 2: Convert to fraction form
    263,461.57/395,192.64 = 123,318.61/x
  3. Step 3: Cross multiply
    263,461.57x = 395,192.64 × 123,318.61
  4. Step 4: Simplify right side
    263,461.57x = 48,734,607,047.03
  5. Step 5: Solve for x
    x = 48,734,607,047.03/263,461.57
  6. Step 6: Final answer
    x = 184,978.05

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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.