Home / 238,413.33-329,016.20-130,990.32

Finding the Fourth Proportional to 238,413.33, 329,016.20 and 130,990.32

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Solution

The fourth proportional to 238,413.33, 329,016.20 and 130,990.32 is: 180,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,413.33 : 329,016.20 = 130,990.32 : x
  2. Step 2: Convert to fraction form
    238,413.33/329,016.20 = 130,990.32/x
  3. Step 3: Cross multiply
    238,413.33x = 329,016.20 × 130,990.32
  4. Step 4: Simplify right side
    238,413.33x = 43,097,936,668.23
  5. Step 5: Solve for x
    x = 43,097,936,668.23/238,413.33
  6. Step 6: Final answer
    x = 180,769.83

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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.