Home / 190,076.40-262,230.66-122,083.86

Finding the Fourth Proportional to 190,076.40, 262,230.66 and 122,083.86

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Solution

The fourth proportional to 190,076.40, 262,230.66 and 122,083.86 is: 168,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,076.40 : 262,230.66 = 122,083.86 : x
  2. Step 2: Convert to fraction form
    190,076.40/262,230.66 = 122,083.86/x
  3. Step 3: Cross multiply
    190,076.40x = 262,230.66 × 122,083.86
  4. Step 4: Simplify right side
    190,076.40x = 32,014,131,183.15
  5. Step 5: Solve for x
    x = 32,014,131,183.15/190,076.40
  6. Step 6: Final answer
    x = 168,427.70

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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.