Home / 190,902.24-263,470.32-115,436.16

Finding the Fourth Proportional to 190,902.24, 263,470.32 and 115,436.16

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Solution

The fourth proportional to 190,902.24, 263,470.32 and 115,436.16 is: 159,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,902.24 : 263,470.32 = 115,436.16 : x
  2. Step 2: Convert to fraction form
    190,902.24/263,470.32 = 115,436.16/x
  3. Step 3: Cross multiply
    190,902.24x = 263,470.32 × 115,436.16
  4. Step 4: Simplify right side
    190,902.24x = 30,414,002,014.77
  5. Step 5: Solve for x
    x = 30,414,002,014.77/190,902.24
  6. Step 6: Final answer
    x = 159,317.16

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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.