Home / 190,700.48-263,165.82-105,817.34

Finding the Fourth Proportional to 190,700.48, 263,165.82 and 105,817.34

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Solution

The fourth proportional to 190,700.48, 263,165.82 and 105,817.34 is: 146,027.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,700.48 : 263,165.82 = 105,817.34 : x
  2. Step 2: Convert to fraction form
    190,700.48/263,165.82 = 105,817.34/x
  3. Step 3: Cross multiply
    190,700.48x = 263,165.82 × 105,817.34
  4. Step 4: Simplify right side
    190,700.48x = 27,847,507,051.32
  5. Step 5: Solve for x
    x = 27,847,507,051.32/190,700.48
  6. Step 6: Final answer
    x = 146,027.46

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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.