Home / 190,911.90-263,458.38-106,036.86

Finding the Fourth Proportional to 190,911.90, 263,458.38 and 106,036.86

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Solution

The fourth proportional to 190,911.90, 263,458.38 and 106,036.86 is: 146,330.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,911.90 : 263,458.38 = 106,036.86 : x
  2. Step 2: Convert to fraction form
    190,911.90/263,458.38 = 106,036.86/x
  3. Step 3: Cross multiply
    190,911.90x = 263,458.38 × 106,036.86
  4. Step 4: Simplify right side
    190,911.90x = 27,936,299,355.89
  5. Step 5: Solve for x
    x = 27,936,299,355.89/190,911.90
  6. Step 6: Final answer
    x = 146,330.84

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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.