Home / 384,029.14-576,044-131,311.54

Finding the Fourth Proportional to 384,029.14, 576,044 and 131,311.54

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Solution

The fourth proportional to 384,029.14, 576,044 and 131,311.54 is: 196,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,029.14 : 576,044 = 131,311.54 : x
  2. Step 2: Convert to fraction form
    384,029.14/576,044 = 131,311.54/x
  3. Step 3: Cross multiply
    384,029.14x = 576,044 × 131,311.54
  4. Step 4: Simplify right side
    384,029.14x = 75,641,224,747.76
  5. Step 5: Solve for x
    x = 75,641,224,747.76/384,029.14
  6. Step 6: Final answer
    x = 196,967.41

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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.