Home / 143,121.81-214,707.42-48,352.67

Finding the Fourth Proportional to 143,121.81, 214,707.42 and 48,352.67

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Solution

The fourth proportional to 143,121.81, 214,707.42 and 48,352.67 is: 72,537.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,121.81 : 214,707.42 = 48,352.67 : x
  2. Step 2: Convert to fraction form
    143,121.81/214,707.42 = 48,352.67/x
  3. Step 3: Cross multiply
    143,121.81x = 214,707.42 × 48,352.67
  4. Step 4: Simplify right side
    143,121.81x = 10,381,675,952.27
  5. Step 5: Solve for x
    x = 10,381,675,952.27/143,121.81
  6. Step 6: Final answer
    x = 72,537.34

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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.