Home / 188,644.44-284,089.80-170,137.56

Finding the Fourth Proportional to 188,644.44, 284,089.80 and 170,137.56

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Solution

The fourth proportional to 188,644.44, 284,089.80 and 170,137.56 is: 256,219.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,644.44 : 284,089.80 = 170,137.56 : x
  2. Step 2: Convert to fraction form
    188,644.44/284,089.80 = 170,137.56/x
  3. Step 3: Cross multiply
    188,644.44x = 284,089.80 × 170,137.56
  4. Step 4: Simplify right side
    188,644.44x = 48,334,345,392.89
  5. Step 5: Solve for x
    x = 48,334,345,392.89/188,644.44
  6. Step 6: Final answer
    x = 256,219.29

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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.