Home / 127,234.81-190,861.34-38,495.24

Finding the Fourth Proportional to 127,234.81, 190,861.34 and 38,495.24

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Solution

The fourth proportional to 127,234.81, 190,861.34 and 38,495.24 is: 57,745.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,234.81 : 190,861.34 = 38,495.24 : x
  2. Step 2: Convert to fraction form
    127,234.81/190,861.34 = 38,495.24/x
  3. Step 3: Cross multiply
    127,234.81x = 190,861.34 × 38,495.24
  4. Step 4: Simplify right side
    127,234.81x = 7,347,252,658.97
  5. Step 5: Solve for x
    x = 7,347,252,658.97/127,234.81
  6. Step 6: Final answer
    x = 57,745.62

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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.