Home / 196,364.96-270,936.60-115,786.16

Finding the Fourth Proportional to 196,364.96, 270,936.60 and 115,786.16

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Solution

The fourth proportional to 196,364.96, 270,936.60 and 115,786.16 is: 159,757.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,364.96 : 270,936.60 = 115,786.16 : x
  2. Step 2: Convert to fraction form
    196,364.96/270,936.60 = 115,786.16/x
  3. Step 3: Cross multiply
    196,364.96x = 270,936.60 × 115,786.16
  4. Step 4: Simplify right side
    196,364.96x = 31,370,708,517.46
  5. Step 5: Solve for x
    x = 31,370,708,517.46/196,364.96
  6. Step 6: Final answer
    x = 159,757.16

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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.