Home / 345,722.42-519,067.60-177,361.50

Finding the Fourth Proportional to 345,722.42, 519,067.60 and 177,361.50

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Solution

The fourth proportional to 345,722.42, 519,067.60 and 177,361.50 is: 266,290.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,722.42 : 519,067.60 = 177,361.50 : x
  2. Step 2: Convert to fraction form
    345,722.42/519,067.60 = 177,361.50/x
  3. Step 3: Cross multiply
    345,722.42x = 519,067.60 × 177,361.50
  4. Step 4: Simplify right side
    345,722.42x = 92,062,608,137.40
  5. Step 5: Solve for x
    x = 92,062,608,137.40/345,722.42
  6. Step 6: Final answer
    x = 266,290.53

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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.