Home / 190,692.51-263,155.82-105,809.52

Finding the Fourth Proportional to 190,692.51, 263,155.82 and 105,809.52

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Solution

The fourth proportional to 190,692.51, 263,155.82 and 105,809.52 is: 146,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,692.51 : 263,155.82 = 105,809.52 : x
  2. Step 2: Convert to fraction form
    190,692.51/263,155.82 = 105,809.52/x
  3. Step 3: Cross multiply
    190,692.51x = 263,155.82 × 105,809.52
  4. Step 4: Simplify right side
    190,692.51x = 27,844,390,470.36
  5. Step 5: Solve for x
    x = 27,844,390,470.36/190,692.51
  6. Step 6: Final answer
    x = 146,017.22

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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.