Home / 188,576.08-282,919.40-76,198.30

Finding the Fourth Proportional to 188,576.08, 282,919.40 and 76,198.30

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Solution

The fourth proportional to 188,576.08, 282,919.40 and 76,198.30 is: 114,319.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,576.08 : 282,919.40 = 76,198.30 : x
  2. Step 2: Convert to fraction form
    188,576.08/282,919.40 = 76,198.30/x
  3. Step 3: Cross multiply
    188,576.08x = 282,919.40 × 76,198.30
  4. Step 4: Simplify right side
    188,576.08x = 21,557,977,317.02
  5. Step 5: Solve for x
    x = 21,557,977,317.02/188,576.08
  6. Step 6: Final answer
    x = 114,319.79

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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.