Home / 260,273.04-389,665.80-243,739.44

Finding the Fourth Proportional to 260,273.04, 389,665.80 and 243,739.44

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Solution

The fourth proportional to 260,273.04, 389,665.80 and 243,739.44 is: 364,912.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,273.04 : 389,665.80 = 243,739.44 : x
  2. Step 2: Convert to fraction form
    260,273.04/389,665.80 = 243,739.44/x
  3. Step 3: Cross multiply
    260,273.04x = 389,665.80 × 243,739.44
  4. Step 4: Simplify right side
    260,273.04x = 94,976,923,879.15
  5. Step 5: Solve for x
    x = 94,976,923,879.15/260,273.04
  6. Step 6: Final answer
    x = 364,912.65

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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.