Home / 397,399.03-548,413.27-216,112.93

Finding the Fourth Proportional to 397,399.03, 548,413.27 and 216,112.93

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Solution

The fourth proportional to 397,399.03, 548,413.27 and 216,112.93 is: 298,237.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,399.03 : 548,413.27 = 216,112.93 : x
  2. Step 2: Convert to fraction form
    397,399.03/548,413.27 = 216,112.93/x
  3. Step 3: Cross multiply
    397,399.03x = 548,413.27 × 216,112.93
  4. Step 4: Simplify right side
    397,399.03x = 118,519,196,719.27
  5. Step 5: Solve for x
    x = 118,519,196,719.27/397,399.03
  6. Step 6: Final answer
    x = 298,237.26

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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.