Home / 209,719.44-289,413.27-114,225.84

Finding the Fourth Proportional to 209,719.44, 289,413.27 and 114,225.84

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Solution

The fourth proportional to 209,719.44, 289,413.27 and 114,225.84 is: 157,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,719.44 : 289,413.27 = 114,225.84 : x
  2. Step 2: Convert to fraction form
    209,719.44/289,413.27 = 114,225.84/x
  3. Step 3: Cross multiply
    209,719.44x = 289,413.27 × 114,225.84
  4. Step 4: Simplify right side
    209,719.44x = 33,058,473,872.90
  5. Step 5: Solve for x
    x = 33,058,473,872.90/209,719.44
  6. Step 6: Final answer
    x = 157,631.90

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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.