Home / 236,216.52-325,975.66-128,786.36

Finding the Fourth Proportional to 236,216.52, 325,975.66 and 128,786.36

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Solution

The fourth proportional to 236,216.52, 325,975.66 and 128,786.36 is: 177,723.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,216.52 : 325,975.66 = 128,786.36 : x
  2. Step 2: Convert to fraction form
    236,216.52/325,975.66 = 128,786.36/x
  3. Step 3: Cross multiply
    236,216.52x = 325,975.66 × 128,786.36
  4. Step 4: Simplify right side
    236,216.52x = 41,981,216,748.15
  5. Step 5: Solve for x
    x = 41,981,216,748.15/236,216.52
  6. Step 6: Final answer
    x = 177,723.46

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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.