Home / 143,535.22-215,333.94-43,692.80

Finding the Fourth Proportional to 143,535.22, 215,333.94 and 43,692.80

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Solution

The fourth proportional to 143,535.22, 215,333.94 and 43,692.80 is: 65,548.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,535.22 : 215,333.94 = 43,692.80 : x
  2. Step 2: Convert to fraction form
    143,535.22/215,333.94 = 43,692.80/x
  3. Step 3: Cross multiply
    143,535.22x = 215,333.94 × 43,692.80
  4. Step 4: Simplify right side
    143,535.22x = 9,408,542,773.63
  5. Step 5: Solve for x
    x = 9,408,542,773.63/143,535.22
  6. Step 6: Final answer
    x = 65,548.67

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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.