Home / 236,091.38-325,805.02-128,661.39

Finding the Fourth Proportional to 236,091.38, 325,805.02 and 128,661.39

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Solution

The fourth proportional to 236,091.38, 325,805.02 and 128,661.39 is: 177,552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,091.38 : 325,805.02 = 128,661.39 : x
  2. Step 2: Convert to fraction form
    236,091.38/325,805.02 = 128,661.39/x
  3. Step 3: Cross multiply
    236,091.38x = 325,805.02 × 128,661.39
  4. Step 4: Simplify right side
    236,091.38x = 41,918,525,113.15
  5. Step 5: Solve for x
    x = 41,918,525,113.15/236,091.38
  6. Step 6: Final answer
    x = 177,552.12

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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.