Home / 131,453.91-197,038.70-52,481.34

Finding the Fourth Proportional to 131,453.91, 197,038.70 and 52,481.34

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Solution

The fourth proportional to 131,453.91, 197,038.70 and 52,481.34 is: 78,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,453.91 : 197,038.70 = 52,481.34 : x
  2. Step 2: Convert to fraction form
    131,453.91/197,038.70 = 52,481.34/x
  3. Step 3: Cross multiply
    131,453.91x = 197,038.70 × 52,481.34
  4. Step 4: Simplify right side
    131,453.91x = 10,340,854,745.45
  5. Step 5: Solve for x
    x = 10,340,854,745.45/131,453.91
  6. Step 6: Final answer
    x = 78,665.25

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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.