Home / 190,638.86-263,093.56-110,081.12

Finding the Fourth Proportional to 190,638.86, 263,093.56 and 110,081.12

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Solution

The fourth proportional to 190,638.86, 263,093.56 and 110,081.12 is: 151,918.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,638.86 : 263,093.56 = 110,081.12 : x
  2. Step 2: Convert to fraction form
    190,638.86/263,093.56 = 110,081.12/x
  3. Step 3: Cross multiply
    190,638.86x = 263,093.56 × 110,081.12
  4. Step 4: Simplify right side
    190,638.86x = 28,961,633,749.59
  5. Step 5: Solve for x
    x = 28,961,633,749.59/190,638.86
  6. Step 6: Final answer
    x = 151,918.84

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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.