Home / 190,015.66-262,157.94-109,441.57

Finding the Fourth Proportional to 190,015.66, 262,157.94 and 109,441.57

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Solution

The fourth proportional to 190,015.66, 262,157.94 and 109,441.57 is: 150,992.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,015.66 : 262,157.94 = 109,441.57 : x
  2. Step 2: Convert to fraction form
    190,015.66/262,157.94 = 109,441.57/x
  3. Step 3: Cross multiply
    190,015.66x = 262,157.94 × 109,441.57
  4. Step 4: Simplify right side
    190,015.66x = 28,690,976,541.57
  5. Step 5: Solve for x
    x = 28,690,976,541.57/190,015.66
  6. Step 6: Final answer
    x = 150,992.69

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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.