Home / 190,961.64-263,527.47-106,078.77

Finding the Fourth Proportional to 190,961.64, 263,527.47 and 106,078.77

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Solution

The fourth proportional to 190,961.64, 263,527.47 and 106,078.77 is: 146,388.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,961.64 : 263,527.47 = 106,078.77 : x
  2. Step 2: Convert to fraction form
    190,961.64/263,527.47 = 106,078.77/x
  3. Step 3: Cross multiply
    190,961.64x = 263,527.47 × 106,078.77
  4. Step 4: Simplify right side
    190,961.64x = 27,954,669,878.81
  5. Step 5: Solve for x
    x = 27,954,669,878.81/190,961.64
  6. Step 6: Final answer
    x = 146,388.93

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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.