Home / 190,950-263,511.14-104,914.53

Finding the Fourth Proportional to 190,950, 263,511.14 and 104,914.53

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Solution

The fourth proportional to 190,950, 263,511.14 and 104,914.53 is: 144,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,950 : 263,511.14 = 104,914.53 : x
  2. Step 2: Convert to fraction form
    190,950/263,511.14 = 104,914.53/x
  3. Step 3: Cross multiply
    190,950x = 263,511.14 × 104,914.53
  4. Step 4: Simplify right side
    190,950x = 27,646,147,402.86
  5. Step 5: Solve for x
    x = 27,646,147,402.86/190,950
  6. Step 6: Final answer
    x = 144,782.13

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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.