Home / 190,620.20-263,050.80-110,045

Finding the Fourth Proportional to 190,620.20, 263,050.80 and 110,045

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Solution

The fourth proportional to 190,620.20, 263,050.80 and 110,045 is: 151,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,620.20 : 263,050.80 = 110,045 : x
  2. Step 2: Convert to fraction form
    190,620.20/263,050.80 = 110,045/x
  3. Step 3: Cross multiply
    190,620.20x = 263,050.80 × 110,045
  4. Step 4: Simplify right side
    190,620.20x = 28,947,425,286
  5. Step 5: Solve for x
    x = 28,947,425,286/190,620.20
  6. Step 6: Final answer
    x = 151,859.17

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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.