Home / 144,406.98-199,375.56-129,273.84

Finding the Fourth Proportional to 144,406.98, 199,375.56 and 129,273.84

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Solution

The fourth proportional to 144,406.98, 199,375.56 and 129,273.84 is: 178,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,406.98 : 199,375.56 = 129,273.84 : x
  2. Step 2: Convert to fraction form
    144,406.98/199,375.56 = 129,273.84/x
  3. Step 3: Cross multiply
    144,406.98x = 199,375.56 × 129,273.84
  4. Step 4: Simplify right side
    144,406.98x = 25,774,044,243.35
  5. Step 5: Solve for x
    x = 25,774,044,243.35/144,406.98
  6. Step 6: Final answer
    x = 178,481.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.