Home / 190,664.07-263,007.05-118,919.54

Finding the Fourth Proportional to 190,664.07, 263,007.05 and 118,919.54

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Solution

The fourth proportional to 190,664.07, 263,007.05 and 118,919.54 is: 164,040.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,664.07 : 263,007.05 = 118,919.54 : x
  2. Step 2: Convert to fraction form
    190,664.07/263,007.05 = 118,919.54/x
  3. Step 3: Cross multiply
    190,664.07x = 263,007.05 × 118,919.54
  4. Step 4: Simplify right side
    190,664.07x = 31,276,675,493.12
  5. Step 5: Solve for x
    x = 31,276,675,493.12/190,664.07
  6. Step 6: Final answer
    x = 164,040.74

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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.