Home / 143,182.48-197,617.56-82,744.78

Finding the Fourth Proportional to 143,182.48, 197,617.56 and 82,744.78

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Solution

The fourth proportional to 143,182.48, 197,617.56 and 82,744.78 is: 114,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,182.48 : 197,617.56 = 82,744.78 : x
  2. Step 2: Convert to fraction form
    143,182.48/197,617.56 = 82,744.78/x
  3. Step 3: Cross multiply
    143,182.48x = 197,617.56 × 82,744.78
  4. Step 4: Simplify right side
    143,182.48x = 16,351,821,526.34
  5. Step 5: Solve for x
    x = 16,351,821,526.34/143,182.48
  6. Step 6: Final answer
    x = 114,202.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.