Home / 190,692.35-263,155.48-105,809.41

Finding the Fourth Proportional to 190,692.35, 263,155.48 and 105,809.41

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Solution

The fourth proportional to 190,692.35, 263,155.48 and 105,809.41 is: 146,017.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,692.35 : 263,155.48 = 105,809.41 : x
  2. Step 2: Convert to fraction form
    190,692.35/263,155.48 = 105,809.41/x
  3. Step 3: Cross multiply
    190,692.35x = 263,155.48 × 105,809.41
  4. Step 4: Simplify right side
    190,692.35x = 27,844,327,476.79
  5. Step 5: Solve for x
    x = 27,844,327,476.79/190,692.35
  6. Step 6: Final answer
    x = 146,017.01

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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.