Home / 168,063.27-252,133.78-74,576.31

Finding the Fourth Proportional to 168,063.27, 252,133.78 and 74,576.31

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Solution

The fourth proportional to 168,063.27, 252,133.78 and 74,576.31 is: 111,881.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,063.27 : 252,133.78 = 74,576.31 : x
  2. Step 2: Convert to fraction form
    168,063.27/252,133.78 = 74,576.31/x
  3. Step 3: Cross multiply
    168,063.27x = 252,133.78 × 74,576.31
  4. Step 4: Simplify right side
    168,063.27x = 18,803,206,938.75
  5. Step 5: Solve for x
    x = 18,803,206,938.75/168,063.27
  6. Step 6: Final answer
    x = 111,881.72

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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.