Home / 190,651.82-263,090.69-104,608.66

Finding the Fourth Proportional to 190,651.82, 263,090.69 and 104,608.66

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Solution

The fourth proportional to 190,651.82, 263,090.69 and 104,608.66 is: 144,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,651.82 : 263,090.69 = 104,608.66 : x
  2. Step 2: Convert to fraction form
    190,651.82/263,090.69 = 104,608.66/x
  3. Step 3: Cross multiply
    190,651.82x = 263,090.69 × 104,608.66
  4. Step 4: Simplify right side
    190,651.82x = 27,521,565,197.10
  5. Step 5: Solve for x
    x = 27,521,565,197.10/190,651.82
  6. Step 6: Final answer
    x = 144,355.11

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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.