Home / 190,412.97-262,759.78-109,835.69

Finding the Fourth Proportional to 190,412.97, 262,759.78 and 109,835.69

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Solution

The fourth proportional to 190,412.97, 262,759.78 and 109,835.69 is: 151,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,412.97 : 262,759.78 = 109,835.69 : x
  2. Step 2: Convert to fraction form
    190,412.97/262,759.78 = 109,835.69/x
  3. Step 3: Cross multiply
    190,412.97x = 262,759.78 × 109,835.69
  4. Step 4: Simplify right side
    190,412.97x = 28,860,401,740.55
  5. Step 5: Solve for x
    x = 28,860,401,740.55/190,412.97
  6. Step 6: Final answer
    x = 151,567.42

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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.