Home / 190,567.48-262,976.50-105,692.44

Finding the Fourth Proportional to 190,567.48, 262,976.50 and 105,692.44

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Solution

The fourth proportional to 190,567.48, 262,976.50 and 105,692.44 is: 145,851.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,567.48 : 262,976.50 = 105,692.44 : x
  2. Step 2: Convert to fraction form
    190,567.48/262,976.50 = 105,692.44/x
  3. Step 3: Cross multiply
    190,567.48x = 262,976.50 × 105,692.44
  4. Step 4: Simplify right side
    190,567.48x = 27,794,627,947.66
  5. Step 5: Solve for x
    x = 27,794,627,947.66/190,567.48
  6. Step 6: Final answer
    x = 145,851.89

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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.