Home / 134,576.46-185,706.63-80,829.54

Finding the Fourth Proportional to 134,576.46, 185,706.63 and 80,829.54

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Solution

The fourth proportional to 134,576.46, 185,706.63 and 80,829.54 is: 111,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,576.46 : 185,706.63 = 80,829.54 : x
  2. Step 2: Convert to fraction form
    134,576.46/185,706.63 = 80,829.54/x
  3. Step 3: Cross multiply
    134,576.46x = 185,706.63 × 80,829.54
  4. Step 4: Simplify right side
    134,576.46x = 15,010,581,477.85
  5. Step 5: Solve for x
    x = 15,010,581,477.85/134,576.46
  6. Step 6: Final answer
    x = 111,539.43

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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.