Home / 384,350.64-576,140.04-131,458.26

Finding the Fourth Proportional to 384,350.64, 576,140.04 and 131,458.26

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Solution

The fourth proportional to 384,350.64, 576,140.04 and 131,458.26 is: 197,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,350.64 : 576,140.04 = 131,458.26 : x
  2. Step 2: Convert to fraction form
    384,350.64/576,140.04 = 131,458.26/x
  3. Step 3: Cross multiply
    384,350.64x = 576,140.04 × 131,458.26
  4. Step 4: Simplify right side
    384,350.64x = 75,738,367,174.73
  5. Step 5: Solve for x
    x = 75,738,367,174.73/384,350.64
  6. Step 6: Final answer
    x = 197,055.39

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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.