Home / 188,109.21-259,593.89-103,234.17

Finding the Fourth Proportional to 188,109.21, 259,593.89 and 103,234.17

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Solution

The fourth proportional to 188,109.21, 259,593.89 and 103,234.17 is: 142,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,109.21 : 259,593.89 = 103,234.17 : x
  2. Step 2: Convert to fraction form
    188,109.21/259,593.89 = 103,234.17/x
  3. Step 3: Cross multiply
    188,109.21x = 259,593.89 × 103,234.17
  4. Step 4: Simplify right side
    188,109.21x = 26,798,959,255.05
  5. Step 5: Solve for x
    x = 26,798,959,255.05/188,109.21
  6. Step 6: Final answer
    x = 142,464.90

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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.