Home / 263,558.64-395,150.04-123,240.72

Finding the Fourth Proportional to 263,558.64, 395,150.04 and 123,240.72

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Solution

The fourth proportional to 263,558.64, 395,150.04 and 123,240.72 is: 184,773.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,558.64 : 395,150.04 = 123,240.72 : x
  2. Step 2: Convert to fraction form
    263,558.64/395,150.04 = 123,240.72/x
  3. Step 3: Cross multiply
    263,558.64x = 395,150.04 × 123,240.72
  4. Step 4: Simplify right side
    263,558.64x = 48,698,575,437.63
  5. Step 5: Solve for x
    x = 48,698,575,437.63/263,558.64
  6. Step 6: Final answer
    x = 184,773.21

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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.