Home / 190,235.31-262,527.44-109,661.37

Finding the Fourth Proportional to 190,235.31, 262,527.44 and 109,661.37

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Solution

The fourth proportional to 190,235.31, 262,527.44 and 109,661.37 is: 151,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,235.31 : 262,527.44 = 109,661.37 : x
  2. Step 2: Convert to fraction form
    190,235.31/262,527.44 = 109,661.37/x
  3. Step 3: Cross multiply
    190,235.31x = 262,527.44 × 109,661.37
  4. Step 4: Simplify right side
    190,235.31x = 28,789,118,732.99
  5. Step 5: Solve for x
    x = 28,789,118,732.99/190,235.31
  6. Step 6: Final answer
    x = 151,334.25

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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.