Home / 190,324.92-285,297.30-127,198.20

Finding the Fourth Proportional to 190,324.92, 285,297.30 and 127,198.20

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Solution

The fourth proportional to 190,324.92, 285,297.30 and 127,198.20 is: 190,670.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,324.92 : 285,297.30 = 127,198.20 : x
  2. Step 2: Convert to fraction form
    190,324.92/285,297.30 = 127,198.20/x
  3. Step 3: Cross multiply
    190,324.92x = 285,297.30 × 127,198.20
  4. Step 4: Simplify right side
    190,324.92x = 36,289,303,024.86
  5. Step 5: Solve for x
    x = 36,289,303,024.86/190,324.92
  6. Step 6: Final answer
    x = 190,670.27

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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.