Home / 190,893.36-263,564.64-119,305.56

Finding the Fourth Proportional to 190,893.36, 263,564.64 and 119,305.56

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Solution

The fourth proportional to 190,893.36, 263,564.64 and 119,305.56 is: 164,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,893.36 : 263,564.64 = 119,305.56 : x
  2. Step 2: Convert to fraction form
    190,893.36/263,564.64 = 119,305.56/x
  3. Step 3: Cross multiply
    190,893.36x = 263,564.64 × 119,305.56
  4. Step 4: Simplify right side
    190,893.36x = 31,444,726,971.40
  5. Step 5: Solve for x
    x = 31,444,726,971.40/190,893.36
  6. Step 6: Final answer
    x = 164,724.05

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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.