Home / 139,896.36-193,054.56-76,234.62

Finding the Fourth Proportional to 139,896.36, 193,054.56 and 76,234.62

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Solution

The fourth proportional to 139,896.36, 193,054.56 and 76,234.62 is: 105,202.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,896.36 : 193,054.56 = 76,234.62 : x
  2. Step 2: Convert to fraction form
    139,896.36/193,054.56 = 76,234.62/x
  3. Step 3: Cross multiply
    139,896.36x = 193,054.56 × 76,234.62
  4. Step 4: Simplify right side
    139,896.36x = 14,717,441,020.87
  5. Step 5: Solve for x
    x = 14,717,441,020.87/139,896.36
  6. Step 6: Final answer
    x = 105,202.46

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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.