Home / 236,091.24-325,805.98-128,661.30

Finding the Fourth Proportional to 236,091.24, 325,805.98 and 128,661.30

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Solution

The fourth proportional to 236,091.24, 325,805.98 and 128,661.30 is: 177,552.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,091.24 : 325,805.98 = 128,661.30 : x
  2. Step 2: Convert to fraction form
    236,091.24/325,805.98 = 128,661.30/x
  3. Step 3: Cross multiply
    236,091.24x = 325,805.98 × 128,661.30
  4. Step 4: Simplify right side
    236,091.24x = 41,918,620,934.57
  5. Step 5: Solve for x
    x = 41,918,620,934.57/236,091.24
  6. Step 6: Final answer
    x = 177,552.63

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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.