Home / 118,942.21-178,413.38-35,836.21

Finding the Fourth Proportional to 118,942.21, 178,413.38 and 35,836.21

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Solution

The fourth proportional to 118,942.21, 178,413.38 and 35,836.21 is: 53,754.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,942.21 : 178,413.38 = 35,836.21 : x
  2. Step 2: Convert to fraction form
    118,942.21/178,413.38 = 35,836.21/x
  3. Step 3: Cross multiply
    118,942.21x = 178,413.38 × 35,836.21
  4. Step 4: Simplify right side
    118,942.21x = 6,393,658,281.24
  5. Step 5: Solve for x
    x = 6,393,658,281.24/118,942.21
  6. Step 6: Final answer
    x = 53,754.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.