Home / 275,810.04-412,898.58-170,289.72

Finding the Fourth Proportional to 275,810.04, 412,898.58 and 170,289.72

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Solution

The fourth proportional to 275,810.04, 412,898.58 and 170,289.72 is: 254,930.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,810.04 : 412,898.58 = 170,289.72 : x
  2. Step 2: Convert to fraction form
    275,810.04/412,898.58 = 170,289.72/x
  3. Step 3: Cross multiply
    275,810.04x = 412,898.58 × 170,289.72
  4. Step 4: Simplify right side
    275,810.04x = 70,312,383,576.60
  5. Step 5: Solve for x
    x = 70,312,383,576.60/275,810.04
  6. Step 6: Final answer
    x = 254,930.47

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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.