Home / 209,910.03-289,667.25-114,414.63

Finding the Fourth Proportional to 209,910.03, 289,667.25 and 114,414.63

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Solution

The fourth proportional to 209,910.03, 289,667.25 and 114,414.63 is: 157,887.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,910.03 : 289,667.25 = 114,414.63 : x
  2. Step 2: Convert to fraction form
    209,910.03/289,667.25 = 114,414.63/x
  3. Step 3: Cross multiply
    209,910.03x = 289,667.25 × 114,414.63
  4. Step 4: Simplify right side
    209,910.03x = 33,142,171,231.87
  5. Step 5: Solve for x
    x = 33,142,171,231.87/209,910.03
  6. Step 6: Final answer
    x = 157,887.51

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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.