Home / 209,923.04-289,692.24-114,429.44

Finding the Fourth Proportional to 209,923.04, 289,692.24 and 114,429.44

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Solution

The fourth proportional to 209,923.04, 289,692.24 and 114,429.44 is: 157,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,923.04 : 289,692.24 = 114,429.44 : x
  2. Step 2: Convert to fraction form
    209,923.04/289,692.24 = 114,429.44/x
  3. Step 3: Cross multiply
    209,923.04x = 289,692.24 × 114,429.44
  4. Step 4: Simplify right side
    209,923.04x = 33,149,320,795.55
  5. Step 5: Solve for x
    x = 33,149,320,795.55/209,923.04
  6. Step 6: Final answer
    x = 157,911.78

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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.