Home / 190,625.57-263,094.82-105,769.97

Finding the Fourth Proportional to 190,625.57, 263,094.82 and 105,769.97

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Solution

The fourth proportional to 190,625.57, 263,094.82 and 105,769.97 is: 145,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,625.57 : 263,094.82 = 105,769.97 : x
  2. Step 2: Convert to fraction form
    190,625.57/263,094.82 = 105,769.97/x
  3. Step 3: Cross multiply
    190,625.57x = 263,094.82 × 105,769.97
  4. Step 4: Simplify right side
    190,625.57x = 27,827,529,638.66
  5. Step 5: Solve for x
    x = 27,827,529,638.66/190,625.57
  6. Step 6: Final answer
    x = 145,980.05

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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.