Home / 236,099.61-325,818.99-128,669.31

Finding the Fourth Proportional to 236,099.61, 325,818.99 and 128,669.31

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Solution

The fourth proportional to 236,099.61, 325,818.99 and 128,669.31 is: 177,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,099.61 : 325,818.99 = 128,669.31 : x
  2. Step 2: Convert to fraction form
    236,099.61/325,818.99 = 128,669.31/x
  3. Step 3: Cross multiply
    236,099.61x = 325,818.99 × 128,669.31
  4. Step 4: Simplify right side
    236,099.61x = 41,922,904,628.20
  5. Step 5: Solve for x
    x = 41,922,904,628.20/236,099.61
  6. Step 6: Final answer
    x = 177,564.48

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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.