Home / 131,782.60-197,625.30-56,906.20

Finding the Fourth Proportional to 131,782.60, 197,625.30 and 56,906.20

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Solution

The fourth proportional to 131,782.60, 197,625.30 and 56,906.20 is: 85,338.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,782.60 : 197,625.30 = 56,906.20 : x
  2. Step 2: Convert to fraction form
    131,782.60/197,625.30 = 56,906.20/x
  3. Step 3: Cross multiply
    131,782.60x = 197,625.30 × 56,906.20
  4. Step 4: Simplify right side
    131,782.60x = 11,246,104,846.86
  5. Step 5: Solve for x
    x = 11,246,104,846.86/131,782.60
  6. Step 6: Final answer
    x = 85,338.31

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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.