Home / 143,235.12-214,847.21-48,472.41

Finding the Fourth Proportional to 143,235.12, 214,847.21 and 48,472.41

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Solution

The fourth proportional to 143,235.12, 214,847.21 and 48,472.41 is: 72,706.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,235.12 : 214,847.21 = 48,472.41 : x
  2. Step 2: Convert to fraction form
    143,235.12/214,847.21 = 48,472.41/x
  3. Step 3: Cross multiply
    143,235.12x = 214,847.21 × 48,472.41
  4. Step 4: Simplify right side
    143,235.12x = 10,414,161,808.11
  5. Step 5: Solve for x
    x = 10,414,161,808.11/143,235.12
  6. Step 6: Final answer
    x = 72,706.76

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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.