Home / 190,705.52-263,165.64-105,817.52

Finding the Fourth Proportional to 190,705.52, 263,165.64 and 105,817.52

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Solution

The fourth proportional to 190,705.52, 263,165.64 and 105,817.52 is: 146,023.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,705.52 : 263,165.64 = 105,817.52 : x
  2. Step 2: Convert to fraction form
    190,705.52/263,165.64 = 105,817.52/x
  3. Step 3: Cross multiply
    190,705.52x = 263,165.64 × 105,817.52
  4. Step 4: Simplify right side
    190,705.52x = 27,847,535,374.01
  5. Step 5: Solve for x
    x = 27,847,535,374.01/190,705.52
  6. Step 6: Final answer
    x = 146,023.75

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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.