Home / 190,810.89-263,323.78-104,778.36

Finding the Fourth Proportional to 190,810.89, 263,323.78 and 104,778.36

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Solution

The fourth proportional to 190,810.89, 263,323.78 and 104,778.36 is: 144,596.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,810.89 : 263,323.78 = 104,778.36 : x
  2. Step 2: Convert to fraction form
    190,810.89/263,323.78 = 104,778.36/x
  3. Step 3: Cross multiply
    190,810.89x = 263,323.78 × 104,778.36
  4. Step 4: Simplify right side
    190,810.89x = 27,590,633,555.45
  5. Step 5: Solve for x
    x = 27,590,633,555.45/190,810.89
  6. Step 6: Final answer
    x = 144,596.74

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1.5x scale

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.