Home / 190,890.88-263,468.12-110,321.80

Finding the Fourth Proportional to 190,890.88, 263,468.12 and 110,321.80

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Solution

The fourth proportional to 190,890.88, 263,468.12 and 110,321.80 is: 152,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,890.88 : 263,468.12 = 110,321.80 : x
  2. Step 2: Convert to fraction form
    190,890.88/263,468.12 = 110,321.80/x
  3. Step 3: Cross multiply
    190,890.88x = 263,468.12 × 110,321.80
  4. Step 4: Simplify right side
    190,890.88x = 29,066,277,241.02
  5. Step 5: Solve for x
    x = 29,066,277,241.02/190,890.88
  6. Step 6: Final answer
    x = 152,266.45

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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.