Home / 190,512.22-262,786.37-122,412.15

Finding the Fourth Proportional to 190,512.22, 262,786.37 and 122,412.15

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Solution

The fourth proportional to 190,512.22, 262,786.37 and 122,412.15 is: 168,851.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,512.22 : 262,786.37 = 122,412.15 : x
  2. Step 2: Convert to fraction form
    190,512.22/262,786.37 = 122,412.15/x
  3. Step 3: Cross multiply
    190,512.22x = 262,786.37 × 122,412.15
  4. Step 4: Simplify right side
    190,512.22x = 32,168,244,542.40
  5. Step 5: Solve for x
    x = 32,168,244,542.40/190,512.22
  6. Step 6: Final answer
    x = 168,851.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.