Home / 179,990.02-248,379.78-99,413.38

Finding the Fourth Proportional to 179,990.02, 248,379.78 and 99,413.38

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Solution

The fourth proportional to 179,990.02, 248,379.78 and 99,413.38 is: 137,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,990.02 : 248,379.78 = 99,413.38 : x
  2. Step 2: Convert to fraction form
    179,990.02/248,379.78 = 99,413.38/x
  3. Step 3: Cross multiply
    179,990.02x = 248,379.78 × 99,413.38
  4. Step 4: Simplify right side
    179,990.02x = 24,692,273,453.46
  5. Step 5: Solve for x
    x = 24,692,273,453.46/179,990.02
  6. Step 6: Final answer
    x = 137,186.90

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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.