Home / 209,979.44-289,773-114,487.73

Finding the Fourth Proportional to 209,979.44, 289,773 and 114,487.73

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Solution

The fourth proportional to 209,979.44, 289,773 and 114,487.73 is: 157,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,979.44 : 289,773 = 114,487.73 : x
  2. Step 2: Convert to fraction form
    209,979.44/289,773 = 114,487.73/x
  3. Step 3: Cross multiply
    209,979.44x = 289,773 × 114,487.73
  4. Step 4: Simplify right side
    209,979.44x = 33,175,451,536.43
  5. Step 5: Solve for x
    x = 33,175,451,536.43/209,979.44
  6. Step 6: Final answer
    x = 157,993.81

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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.