Home / 190,432.44-262,786.60-109,855.20

Finding the Fourth Proportional to 190,432.44, 262,786.60 and 109,855.20

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Solution

The fourth proportional to 190,432.44, 262,786.60 and 109,855.20 is: 151,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,432.44 : 262,786.60 = 109,855.20 : x
  2. Step 2: Convert to fraction form
    190,432.44/262,786.60 = 109,855.20/x
  3. Step 3: Cross multiply
    190,432.44x = 262,786.60 × 109,855.20
  4. Step 4: Simplify right side
    190,432.44x = 28,868,474,500.32
  5. Step 5: Solve for x
    x = 28,868,474,500.32/190,432.44
  6. Step 6: Final answer
    x = 151,594.31

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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.