Home / 193,014-289,619.73-91,926.36

Finding the Fourth Proportional to 193,014, 289,619.73 and 91,926.36

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Solution

The fourth proportional to 193,014, 289,619.73 and 91,926.36 is: 137,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,014 : 289,619.73 = 91,926.36 : x
  2. Step 2: Convert to fraction form
    193,014/289,619.73 = 91,926.36/x
  3. Step 3: Cross multiply
    193,014x = 289,619.73 × 91,926.36
  4. Step 4: Simplify right side
    193,014x = 26,623,687,563.08
  5. Step 5: Solve for x
    x = 26,623,687,563.08/193,014
  6. Step 6: Final answer
    x = 137,936.56

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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.