Home / 199,784.14-275,697.54-109,140.48

Finding the Fourth Proportional to 199,784.14, 275,697.54 and 109,140.48

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Solution

The fourth proportional to 199,784.14, 275,697.54 and 109,140.48 is: 150,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,784.14 : 275,697.54 = 109,140.48 : x
  2. Step 2: Convert to fraction form
    199,784.14/275,697.54 = 109,140.48/x
  3. Step 3: Cross multiply
    199,784.14x = 275,697.54 × 109,140.48
  4. Step 4: Simplify right side
    199,784.14x = 30,089,761,850.42
  5. Step 5: Solve for x
    x = 30,089,761,850.42/199,784.14
  6. Step 6: Final answer
    x = 150,611.36

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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.