Home / 190,249.36-262,546.32-105,367.84

Finding the Fourth Proportional to 190,249.36, 262,546.32 and 105,367.84

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Solution

The fourth proportional to 190,249.36, 262,546.32 and 105,367.84 is: 145,408.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,249.36 : 262,546.32 = 105,367.84 : x
  2. Step 2: Convert to fraction form
    190,249.36/262,546.32 = 105,367.84/x
  3. Step 3: Cross multiply
    190,249.36x = 262,546.32 × 105,367.84
  4. Step 4: Simplify right side
    190,249.36x = 27,663,938,638.35
  5. Step 5: Solve for x
    x = 27,663,938,638.35/190,249.36
  6. Step 6: Final answer
    x = 145,408.84

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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.