Home / 215,971.26-298,048.46-120,496.41

Finding the Fourth Proportional to 215,971.26, 298,048.46 and 120,496.41

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Solution

The fourth proportional to 215,971.26, 298,048.46 and 120,496.41 is: 166,289.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,971.26 : 298,048.46 = 120,496.41 : x
  2. Step 2: Convert to fraction form
    215,971.26/298,048.46 = 120,496.41/x
  3. Step 3: Cross multiply
    215,971.26x = 298,048.46 × 120,496.41
  4. Step 4: Simplify right side
    215,971.26x = 35,913,769,511.34
  5. Step 5: Solve for x
    x = 35,913,769,511.34/215,971.26
  6. Step 6: Final answer
    x = 166,289.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.