Home / 209,998.11-289,796.70-114,504.57

Finding the Fourth Proportional to 209,998.11, 289,796.70 and 114,504.57

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Solution

The fourth proportional to 209,998.11, 289,796.70 and 114,504.57 is: 158,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,998.11 : 289,796.70 = 114,504.57 : x
  2. Step 2: Convert to fraction form
    209,998.11/289,796.70 = 114,504.57/x
  3. Step 3: Cross multiply
    209,998.11x = 289,796.70 × 114,504.57
  4. Step 4: Simplify right side
    209,998.11x = 33,183,046,520.92
  5. Step 5: Solve for x
    x = 33,183,046,520.92/209,998.11
  6. Step 6: Final answer
    x = 158,015.93

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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.