Home / 190,650.90-262,988.93-118,906.37

Finding the Fourth Proportional to 190,650.90, 262,988.93 and 118,906.37

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Solution

The fourth proportional to 190,650.90, 262,988.93 and 118,906.37 is: 164,022.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,650.90 : 262,988.93 = 118,906.37 : x
  2. Step 2: Convert to fraction form
    190,650.90/262,988.93 = 118,906.37/x
  3. Step 3: Cross multiply
    190,650.90x = 262,988.93 × 118,906.37
  4. Step 4: Simplify right side
    190,650.90x = 31,271,057,998.81
  5. Step 5: Solve for x
    x = 31,271,057,998.81/190,650.90
  6. Step 6: Final answer
    x = 164,022.61

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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.