Home / 143,769.16-215,692.56-43,926.63

Finding the Fourth Proportional to 143,769.16, 215,692.56 and 43,926.63

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Solution

The fourth proportional to 143,769.16, 215,692.56 and 43,926.63 is: 65,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,769.16 : 215,692.56 = 43,926.63 : x
  2. Step 2: Convert to fraction form
    143,769.16/215,692.56 = 43,926.63/x
  3. Step 3: Cross multiply
    143,769.16x = 215,692.56 × 43,926.63
  4. Step 4: Simplify right side
    143,769.16x = 9,474,647,441.60
  5. Step 5: Solve for x
    x = 9,474,647,441.60/143,769.16
  6. Step 6: Final answer
    x = 65,901.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.