Home / 193,716.52-290,419.26-109,424.68

Finding the Fourth Proportional to 193,716.52, 290,419.26 and 109,424.68

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Solution

The fourth proportional to 193,716.52, 290,419.26 and 109,424.68 is: 164,049.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,716.52 : 290,419.26 = 109,424.68 : x
  2. Step 2: Convert to fraction form
    193,716.52/290,419.26 = 109,424.68/x
  3. Step 3: Cross multiply
    193,716.52x = 290,419.26 × 109,424.68
  4. Step 4: Simplify right side
    193,716.52x = 31,779,034,591.34
  5. Step 5: Solve for x
    x = 31,779,034,591.34/193,716.52
  6. Step 6: Final answer
    x = 164,049.17

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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.