Home / 236,115.43-325,837.24-128,685.44

Finding the Fourth Proportional to 236,115.43, 325,837.24 and 128,685.44

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Solution

The fourth proportional to 236,115.43, 325,837.24 and 128,685.44 is: 177,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,115.43 : 325,837.24 = 128,685.44 : x
  2. Step 2: Convert to fraction form
    236,115.43/325,837.24 = 128,685.44/x
  3. Step 3: Cross multiply
    236,115.43x = 325,837.24 × 128,685.44
  4. Step 4: Simplify right side
    236,115.43x = 41,930,509,090.67
  5. Step 5: Solve for x
    x = 41,930,509,090.67/236,115.43
  6. Step 6: Final answer
    x = 177,584.79

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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.