Home / 131,501.75-197,258.48-40,310.42

Finding the Fourth Proportional to 131,501.75, 197,258.48 and 40,310.42

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Solution

The fourth proportional to 131,501.75, 197,258.48 and 40,310.42 is: 60,467.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,501.75 : 197,258.48 = 40,310.42 : x
  2. Step 2: Convert to fraction form
    131,501.75/197,258.48 = 40,310.42/x
  3. Step 3: Cross multiply
    131,501.75x = 197,258.48 × 40,310.42
  4. Step 4: Simplify right side
    131,501.75x = 7,951,572,468.96
  5. Step 5: Solve for x
    x = 7,951,572,468.96/131,501.75
  6. Step 6: Final answer
    x = 60,467.43

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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.