Home / 111,796.43-154,265.04-75,576.67

Finding the Fourth Proportional to 111,796.43, 154,265.04 and 75,576.67

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Solution

The fourth proportional to 111,796.43, 154,265.04 and 75,576.67 is: 104,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,796.43 : 154,265.04 = 75,576.67 : x
  2. Step 2: Convert to fraction form
    111,796.43/154,265.04 = 75,576.67/x
  3. Step 3: Cross multiply
    111,796.43x = 154,265.04 × 75,576.67
  4. Step 4: Simplify right side
    111,796.43x = 11,658,837,438.23
  5. Step 5: Solve for x
    x = 11,658,837,438.23/111,796.43
  6. Step 6: Final answer
    x = 104,286.31

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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.