Home / 190,624.02-263,057.04-105,739.26

Finding the Fourth Proportional to 190,624.02, 263,057.04 and 105,739.26

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Solution

The fourth proportional to 190,624.02, 263,057.04 and 105,739.26 is: 145,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,624.02 : 263,057.04 = 105,739.26 : x
  2. Step 2: Convert to fraction form
    190,624.02/263,057.04 = 105,739.26/x
  3. Step 3: Cross multiply
    190,624.02x = 263,057.04 × 105,739.26
  4. Step 4: Simplify right side
    190,624.02x = 27,815,456,747.39
  5. Step 5: Solve for x
    x = 27,815,456,747.39/190,624.02
  6. Step 6: Final answer
    x = 145,917.90

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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.