Home / 209,719.73-289,413.18-114,226.43

Finding the Fourth Proportional to 209,719.73, 289,413.18 and 114,226.43

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Solution

The fourth proportional to 209,719.73, 289,413.18 and 114,226.43 is: 157,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,719.73 : 289,413.18 = 114,226.43 : x
  2. Step 2: Convert to fraction form
    209,719.73/289,413.18 = 114,226.43/x
  3. Step 3: Cross multiply
    209,719.73x = 289,413.18 × 114,226.43
  4. Step 4: Simplify right side
    209,719.73x = 33,058,634,346.35
  5. Step 5: Solve for x
    x = 33,058,634,346.35/209,719.73
  6. Step 6: Final answer
    x = 157,632.45

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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.