Home / 190,692.56-263,155.74-105,823.28

Finding the Fourth Proportional to 190,692.56, 263,155.74 and 105,823.28

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Solution

The fourth proportional to 190,692.56, 263,155.74 and 105,823.28 is: 146,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,692.56 : 263,155.74 = 105,823.28 : x
  2. Step 2: Convert to fraction form
    190,692.56/263,155.74 = 105,823.28/x
  3. Step 3: Cross multiply
    190,692.56x = 263,155.74 × 105,823.28
  4. Step 4: Simplify right side
    190,692.56x = 27,848,003,818.68
  5. Step 5: Solve for x
    x = 27,848,003,818.68/190,692.56
  6. Step 6: Final answer
    x = 146,036.13

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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.