Home / 190,813.80-263,324.22-104,776.50

Finding the Fourth Proportional to 190,813.80, 263,324.22 and 104,776.50

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Solution

The fourth proportional to 190,813.80, 263,324.22 and 104,776.50 is: 144,592.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,813.80 : 263,324.22 = 104,776.50 : x
  2. Step 2: Convert to fraction form
    190,813.80/263,324.22 = 104,776.50/x
  3. Step 3: Cross multiply
    190,813.80x = 263,324.22 × 104,776.50
  4. Step 4: Simplify right side
    190,813.80x = 27,590,190,136.83
  5. Step 5: Solve for x
    x = 27,590,190,136.83/190,813.80
  6. Step 6: Final answer
    x = 144,592.22

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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.