Home / 263,293.44-363,380.16-155,855.04

Finding the Fourth Proportional to 263,293.44, 363,380.16 and 155,855.04

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Solution

The fourth proportional to 263,293.44, 363,380.16 and 155,855.04 is: 215,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,293.44 : 363,380.16 = 155,855.04 : x
  2. Step 2: Convert to fraction form
    263,293.44/363,380.16 = 155,855.04/x
  3. Step 3: Cross multiply
    263,293.44x = 363,380.16 × 155,855.04
  4. Step 4: Simplify right side
    263,293.44x = 56,634,629,372.01
  5. Step 5: Solve for x
    x = 56,634,629,372.01/263,293.44
  6. Step 6: Final answer
    x = 215,100.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.