Home / 148,675.19-205,173.73-80,692.98

Finding the Fourth Proportional to 148,675.19, 205,173.73 and 80,692.98

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Solution

The fourth proportional to 148,675.19, 205,173.73 and 80,692.98 is: 111,357.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,675.19 : 205,173.73 = 80,692.98 : x
  2. Step 2: Convert to fraction form
    148,675.19/205,173.73 = 80,692.98/x
  3. Step 3: Cross multiply
    148,675.19x = 205,173.73 × 80,692.98
  4. Step 4: Simplify right side
    148,675.19x = 16,556,079,792.28
  5. Step 5: Solve for x
    x = 16,556,079,792.28/148,675.19
  6. Step 6: Final answer
    x = 111,357.38

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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.