Home / 382,923.56-574,388.18-143,091.67

Finding the Fourth Proportional to 382,923.56, 574,388.18 and 143,091.67

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Solution

The fourth proportional to 382,923.56, 574,388.18 and 143,091.67 is: 214,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,923.56 : 574,388.18 = 143,091.67 : x
  2. Step 2: Convert to fraction form
    382,923.56/574,388.18 = 143,091.67/x
  3. Step 3: Cross multiply
    382,923.56x = 574,388.18 × 143,091.67
  4. Step 4: Simplify right side
    382,923.56x = 82,190,162,826.22
  5. Step 5: Solve for x
    x = 82,190,162,826.22/382,923.56
  6. Step 6: Final answer
    x = 214,638.57

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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.