Home / 209,447.54-289,029.03-113,954.33

Finding the Fourth Proportional to 209,447.54, 289,029.03 and 113,954.33

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Solution

The fourth proportional to 209,447.54, 289,029.03 and 113,954.33 is: 157,252.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,447.54 : 289,029.03 = 113,954.33 : x
  2. Step 2: Convert to fraction form
    209,447.54/289,029.03 = 113,954.33/x
  3. Step 3: Cross multiply
    209,447.54x = 289,029.03 × 113,954.33
  4. Step 4: Simplify right side
    209,447.54x = 32,936,109,464.20
  5. Step 5: Solve for x
    x = 32,936,109,464.20/209,447.54
  6. Step 6: Final answer
    x = 157,252.31

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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.