Home / 127,745.10-191,644.38-43,498.62

Finding the Fourth Proportional to 127,745.10, 191,644.38 and 43,498.62

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Solution

The fourth proportional to 127,745.10, 191,644.38 and 43,498.62 is: 65,257.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,745.10 : 191,644.38 = 43,498.62 : x
  2. Step 2: Convert to fraction form
    127,745.10/191,644.38 = 43,498.62/x
  3. Step 3: Cross multiply
    127,745.10x = 191,644.38 × 43,498.62
  4. Step 4: Simplify right side
    127,745.10x = 8,336,266,060.76
  5. Step 5: Solve for x
    x = 8,336,266,060.76/127,745.10
  6. Step 6: Final answer
    x = 65,257.03

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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.