Home / 190,361.44-285,544.12-78,012.80

Finding the Fourth Proportional to 190,361.44, 285,544.12 and 78,012.80

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Solution

The fourth proportional to 190,361.44, 285,544.12 and 78,012.80 is: 117,020.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,361.44 : 285,544.12 = 78,012.80 : x
  2. Step 2: Convert to fraction form
    190,361.44/285,544.12 = 78,012.80/x
  3. Step 3: Cross multiply
    190,361.44x = 285,544.12 × 78,012.80
  4. Step 4: Simplify right side
    190,361.44x = 22,276,096,324.74
  5. Step 5: Solve for x
    x = 22,276,096,324.74/190,361.44
  6. Step 6: Final answer
    x = 117,020.00

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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.