Home / 190,235.43-262,527.62-109,661.49

Finding the Fourth Proportional to 190,235.43, 262,527.62 and 109,661.49

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Solution

The fourth proportional to 190,235.43, 262,527.62 and 109,661.49 is: 151,334.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,235.43 : 262,527.62 = 109,661.49 : x
  2. Step 2: Convert to fraction form
    190,235.43/262,527.62 = 109,661.49/x
  3. Step 3: Cross multiply
    190,235.43x = 262,527.62 × 109,661.49
  4. Step 4: Simplify right side
    190,235.43x = 28,789,169,427.05
  5. Step 5: Solve for x
    x = 28,789,169,427.05/190,235.43
  6. Step 6: Final answer
    x = 151,334.43

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1.5x scale

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.