Home / 148,692.26-205,195.51-80,709.24

Finding the Fourth Proportional to 148,692.26, 205,195.51 and 80,709.24

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Solution

The fourth proportional to 148,692.26, 205,195.51 and 80,709.24 is: 111,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,692.26 : 205,195.51 = 80,709.24 : x
  2. Step 2: Convert to fraction form
    148,692.26/205,195.51 = 80,709.24/x
  3. Step 3: Cross multiply
    148,692.26x = 205,195.51 × 80,709.24
  4. Step 4: Simplify right side
    148,692.26x = 16,561,173,663.51
  5. Step 5: Solve for x
    x = 16,561,173,663.51/148,692.26
  6. Step 6: Final answer
    x = 111,378.85

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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.