Home / 236,097.08-325,804.47-128,664.78

Finding the Fourth Proportional to 236,097.08, 325,804.47 and 128,664.78

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Solution

The fourth proportional to 236,097.08, 325,804.47 and 128,664.78 is: 177,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,097.08 : 325,804.47 = 128,664.78 : x
  2. Step 2: Convert to fraction form
    236,097.08/325,804.47 = 128,664.78/x
  3. Step 3: Cross multiply
    236,097.08x = 325,804.47 × 128,664.78
  4. Step 4: Simplify right side
    236,097.08x = 41,919,560,455.57
  5. Step 5: Solve for x
    x = 41,919,560,455.57/236,097.08
  6. Step 6: Final answer
    x = 177,552.22

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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.