Home / 236,021.68-325,713.66-128,591.69

Finding the Fourth Proportional to 236,021.68, 325,713.66 and 128,591.69

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Solution

The fourth proportional to 236,021.68, 325,713.66 and 128,591.69 is: 177,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,021.68 : 325,713.66 = 128,591.69 : x
  2. Step 2: Convert to fraction form
    236,021.68/325,713.66 = 128,591.69/x
  3. Step 3: Cross multiply
    236,021.68x = 325,713.66 × 128,591.69
  4. Step 4: Simplify right side
    236,021.68x = 41,884,067,884.70
  5. Step 5: Solve for x
    x = 41,884,067,884.70/236,021.68
  6. Step 6: Final answer
    x = 177,458.56

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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.