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Finding the Fourth Proportional to 190,474.54, 285,714.24 and 131,294.32

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Solution

The fourth proportional to 190,474.54, 285,714.24 and 131,294.32 is: 196,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,474.54 : 285,714.24 = 131,294.32 : x
  2. Step 2: Convert to fraction form
    190,474.54/285,714.24 = 131,294.32/x
  3. Step 3: Cross multiply
    190,474.54x = 285,714.24 × 131,294.32
  4. Step 4: Simplify right side
    190,474.54x = 37,512,655,648.48
  5. Step 5: Solve for x
    x = 37,512,655,648.48/190,474.54
  6. Step 6: Final answer
    x = 196,943.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.