Home / 193,165.68-266,569.56-108,286.32

Finding the Fourth Proportional to 193,165.68, 266,569.56 and 108,286.32

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Solution

The fourth proportional to 193,165.68, 266,569.56 and 108,286.32 is: 149,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,165.68 : 266,569.56 = 108,286.32 : x
  2. Step 2: Convert to fraction form
    193,165.68/266,569.56 = 108,286.32/x
  3. Step 3: Cross multiply
    193,165.68x = 266,569.56 × 108,286.32
  4. Step 4: Simplify right side
    193,165.68x = 28,865,836,676.42
  5. Step 5: Solve for x
    x = 28,865,836,676.42/193,165.68
  6. Step 6: Final answer
    x = 149,435.64

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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.