Home / 150,696.16-207,968.88-83,629.60

Finding the Fourth Proportional to 150,696.16, 207,968.88 and 83,629.60

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Solution

The fourth proportional to 150,696.16, 207,968.88 and 83,629.60 is: 115,413.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,696.16 : 207,968.88 = 83,629.60 : x
  2. Step 2: Convert to fraction form
    150,696.16/207,968.88 = 83,629.60/x
  3. Step 3: Cross multiply
    150,696.16x = 207,968.88 × 83,629.60
  4. Step 4: Simplify right side
    150,696.16x = 17,392,354,246.85
  5. Step 5: Solve for x
    x = 17,392,354,246.85/150,696.16
  6. Step 6: Final answer
    x = 115,413.39

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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.