Home / 131,899.76-197,873.94-43,158.24

Finding the Fourth Proportional to 131,899.76, 197,873.94 and 43,158.24

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Solution

The fourth proportional to 131,899.76, 197,873.94 and 43,158.24 is: 64,745.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,899.76 : 197,873.94 = 43,158.24 : x
  2. Step 2: Convert to fraction form
    131,899.76/197,873.94 = 43,158.24/x
  3. Step 3: Cross multiply
    131,899.76x = 197,873.94 × 43,158.24
  4. Step 4: Simplify right side
    131,899.76x = 8,539,890,992.27
  5. Step 5: Solve for x
    x = 8,539,890,992.27/131,899.76
  6. Step 6: Final answer
    x = 64,745.31

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1.5x scale

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.