Home / 190,500.37-285,189.99-127,163.39

Finding the Fourth Proportional to 190,500.37, 285,189.99 and 127,163.39

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Solution

The fourth proportional to 190,500.37, 285,189.99 and 127,163.39 is: 190,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,500.37 : 285,189.99 = 127,163.39 : x
  2. Step 2: Convert to fraction form
    190,500.37/285,189.99 = 127,163.39/x
  3. Step 3: Cross multiply
    190,500.37x = 285,189.99 × 127,163.39
  4. Step 4: Simplify right side
    190,500.37x = 36,265,725,922.47
  5. Step 5: Solve for x
    x = 36,265,725,922.47/190,500.37
  6. Step 6: Final answer
    x = 190,370.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.