Home / 188,645.44-284,091.31-170,138.56

Finding the Fourth Proportional to 188,645.44, 284,091.31 and 170,138.56

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Solution

The fourth proportional to 188,645.44, 284,091.31 and 170,138.56 is: 256,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,645.44 : 284,091.31 = 170,138.56 : x
  2. Step 2: Convert to fraction form
    188,645.44/284,091.31 = 170,138.56/x
  3. Step 3: Cross multiply
    188,645.44x = 284,091.31 × 170,138.56
  4. Step 4: Simplify right side
    188,645.44x = 48,334,886,391.91
  5. Step 5: Solve for x
    x = 48,334,886,391.91/188,645.44
  6. Step 6: Final answer
    x = 256,220.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.