Home / 142,527.87-196,709.22-82,086.75

Finding the Fourth Proportional to 142,527.87, 196,709.22 and 82,086.75

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Solution

The fourth proportional to 142,527.87, 196,709.22 and 82,086.75 is: 113,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,527.87 : 196,709.22 = 82,086.75 : x
  2. Step 2: Convert to fraction form
    142,527.87/196,709.22 = 82,086.75/x
  3. Step 3: Cross multiply
    142,527.87x = 196,709.22 × 82,086.75
  4. Step 4: Simplify right side
    142,527.87x = 16,147,220,564.84
  5. Step 5: Solve for x
    x = 16,147,220,564.84/142,527.87
  6. Step 6: Final answer
    x = 113,291.67

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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.