Home / 190,835.43-263,361.12-105,952.50

Finding the Fourth Proportional to 190,835.43, 263,361.12 and 105,952.50

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Solution

The fourth proportional to 190,835.43, 263,361.12 and 105,952.50 is: 146,219.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,835.43 : 263,361.12 = 105,952.50 : x
  2. Step 2: Convert to fraction form
    190,835.43/263,361.12 = 105,952.50/x
  3. Step 3: Cross multiply
    190,835.43x = 263,361.12 × 105,952.50
  4. Step 4: Simplify right side
    190,835.43x = 27,903,769,066.80
  5. Step 5: Solve for x
    x = 27,903,769,066.80/190,835.43
  6. Step 6: Final answer
    x = 146,219.02

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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.