Home / 190,662.92-263,121.86-115,196.84

Finding the Fourth Proportional to 190,662.92, 263,121.86 and 115,196.84

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Solution

The fourth proportional to 190,662.92, 263,121.86 and 115,196.84 is: 158,975.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,662.92 : 263,121.86 = 115,196.84 : x
  2. Step 2: Convert to fraction form
    190,662.92/263,121.86 = 115,196.84/x
  3. Step 3: Cross multiply
    190,662.92x = 263,121.86 × 115,196.84
  4. Step 4: Simplify right side
    190,662.92x = 30,310,806,806.92
  5. Step 5: Solve for x
    x = 30,310,806,806.92/190,662.92
  6. Step 6: Final answer
    x = 158,975.89

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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.