Home / 236,220.69-325,986.03-128,792.52

Finding the Fourth Proportional to 236,220.69, 325,986.03 and 128,792.52

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Solution

The fourth proportional to 236,220.69, 325,986.03 and 128,792.52 is: 177,734.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,220.69 : 325,986.03 = 128,792.52 : x
  2. Step 2: Convert to fraction form
    236,220.69/325,986.03 = 128,792.52/x
  3. Step 3: Cross multiply
    236,220.69x = 325,986.03 × 128,792.52
  4. Step 4: Simplify right side
    236,220.69x = 41,984,562,288.50
  5. Step 5: Solve for x
    x = 41,984,562,288.50/236,220.69
  6. Step 6: Final answer
    x = 177,734.48

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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.