Home / 236,039.89-325,725.91-128,610.73

Finding the Fourth Proportional to 236,039.89, 325,725.91 and 128,610.73

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Solution

The fourth proportional to 236,039.89, 325,725.91 and 128,610.73 is: 177,477.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,039.89 : 325,725.91 = 128,610.73 : x
  2. Step 2: Convert to fraction form
    236,039.89/325,725.91 = 128,610.73/x
  3. Step 3: Cross multiply
    236,039.89x = 325,725.91 × 128,610.73
  4. Step 4: Simplify right side
    236,039.89x = 41,891,845,929.17
  5. Step 5: Solve for x
    x = 41,891,845,929.17/236,039.89
  6. Step 6: Final answer
    x = 177,477.83

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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.