Home / 190,359.59-262,724.21-109,771.37

Finding the Fourth Proportional to 190,359.59, 262,724.21 and 109,771.37

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Solution

The fourth proportional to 190,359.59, 262,724.21 and 109,771.37 is: 151,500.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,359.59 : 262,724.21 = 109,771.37 : x
  2. Step 2: Convert to fraction form
    190,359.59/262,724.21 = 109,771.37/x
  3. Step 3: Cross multiply
    190,359.59x = 262,724.21 × 109,771.37
  4. Step 4: Simplify right side
    190,359.59x = 28,839,594,601.39
  5. Step 5: Solve for x
    x = 28,839,594,601.39/190,359.59
  6. Step 6: Final answer
    x = 151,500.62

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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.