Home / 193,619.70-290,051.31-126,856.98

Finding the Fourth Proportional to 193,619.70, 290,051.31 and 126,856.98

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Solution

The fourth proportional to 193,619.70, 290,051.31 and 126,856.98 is: 190,037.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,619.70 : 290,051.31 = 126,856.98 : x
  2. Step 2: Convert to fraction form
    193,619.70/290,051.31 = 126,856.98/x
  3. Step 3: Cross multiply
    193,619.70x = 290,051.31 × 126,856.98
  4. Step 4: Simplify right side
    193,619.70x = 36,795,033,231.64
  5. Step 5: Solve for x
    x = 36,795,033,231.64/193,619.70
  6. Step 6: Final answer
    x = 190,037.65

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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.