Home / 131,748.30-197,653.94-43,001.96

Finding the Fourth Proportional to 131,748.30, 197,653.94 and 43,001.96

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Solution

The fourth proportional to 131,748.30, 197,653.94 and 43,001.96 is: 64,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,748.30 : 197,653.94 = 43,001.96 : x
  2. Step 2: Convert to fraction form
    131,748.30/197,653.94 = 43,001.96/x
  3. Step 3: Cross multiply
    131,748.30x = 197,653.94 × 43,001.96
  4. Step 4: Simplify right side
    131,748.30x = 8,499,505,618.44
  5. Step 5: Solve for x
    x = 8,499,505,618.44/131,748.30
  6. Step 6: Final answer
    x = 64,513.21

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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.