Home / 151,129.30-226,702.06-45,940.28

Finding the Fourth Proportional to 151,129.30, 226,702.06 and 45,940.28

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Solution

The fourth proportional to 151,129.30, 226,702.06 and 45,940.28 is: 68,912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,129.30 : 226,702.06 = 45,940.28 : x
  2. Step 2: Convert to fraction form
    151,129.30/226,702.06 = 45,940.28/x
  3. Step 3: Cross multiply
    151,129.30x = 226,702.06 × 45,940.28
  4. Step 4: Simplify right side
    151,129.30x = 10,414,756,112.98
  5. Step 5: Solve for x
    x = 10,414,756,112.98/151,129.30
  6. Step 6: Final answer
    x = 68,912.89

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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.