Home / 193,319.28-266,762.68-108,419.92

Finding the Fourth Proportional to 193,319.28, 266,762.68 and 108,419.92

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Solution

The fourth proportional to 193,319.28, 266,762.68 and 108,419.92 is: 149,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,319.28 : 266,762.68 = 108,419.92 : x
  2. Step 2: Convert to fraction form
    193,319.28/266,762.68 = 108,419.92/x
  3. Step 3: Cross multiply
    193,319.28x = 266,762.68 × 108,419.92
  4. Step 4: Simplify right side
    193,319.28x = 28,922,388,424.59
  5. Step 5: Solve for x
    x = 28,922,388,424.59/193,319.28
  6. Step 6: Final answer
    x = 149,609.44

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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.