Home / 127,481.40-191,216.03-43,233.30

Finding the Fourth Proportional to 127,481.40, 191,216.03 and 43,233.30

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Solution

The fourth proportional to 127,481.40, 191,216.03 and 43,233.30 is: 64,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,481.40 : 191,216.03 = 43,233.30 : x
  2. Step 2: Convert to fraction form
    127,481.40/191,216.03 = 43,233.30/x
  3. Step 3: Cross multiply
    127,481.40x = 191,216.03 × 43,233.30
  4. Step 4: Simplify right side
    127,481.40x = 8,266,899,773.63
  5. Step 5: Solve for x
    x = 8,266,899,773.63/127,481.40
  6. Step 6: Final answer
    x = 64,847.89

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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.