Home / 236,119.27-325,835.11-128,687.00

Finding the Fourth Proportional to 236,119.27, 325,835.11 and 128,687.00

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Solution

The fourth proportional to 236,119.27, 325,835.11 and 128,687.00 is: 177,582.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,119.27 : 325,835.11 = 128,687.00 : x
  2. Step 2: Convert to fraction form
    236,119.27/325,835.11 = 128,687.00/x
  3. Step 3: Cross multiply
    236,119.27x = 325,835.11 × 128,687.00
  4. Step 4: Simplify right side
    236,119.27x = 41,930,740,608.39
  5. Step 5: Solve for x
    x = 41,930,740,608.39/236,119.27
  6. Step 6: Final answer
    x = 177,582.88

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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.