Home / 190,439.74-262,797.78-109,893.16

Finding the Fourth Proportional to 190,439.74, 262,797.78 and 109,893.16

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Solution

The fourth proportional to 190,439.74, 262,797.78 and 109,893.16 is: 151,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,439.74 : 262,797.78 = 109,893.16 : x
  2. Step 2: Convert to fraction form
    190,439.74/262,797.78 = 109,893.16/x
  3. Step 3: Cross multiply
    190,439.74x = 262,797.78 × 109,893.16
  4. Step 4: Simplify right side
    190,439.74x = 28,879,678,485.18
  5. Step 5: Solve for x
    x = 28,879,678,485.18/190,439.74
  6. Step 6: Final answer
    x = 151,647.33

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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.