Home / 102,290.04-153,302.58-82,576.44

Finding the Fourth Proportional to 102,290.04, 153,302.58 and 82,576.44

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Solution

The fourth proportional to 102,290.04, 153,302.58 and 82,576.44 is: 123,757.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,290.04 : 153,302.58 = 82,576.44 : x
  2. Step 2: Convert to fraction form
    102,290.04/153,302.58 = 82,576.44/x
  3. Step 3: Cross multiply
    102,290.04x = 153,302.58 × 82,576.44
  4. Step 4: Simplify right side
    102,290.04x = 12,659,181,299.22
  5. Step 5: Solve for x
    x = 12,659,181,299.22/102,290.04
  6. Step 6: Final answer
    x = 123,757.71

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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.