Home / 193,390.20-266,883.08-108,513.54

Finding the Fourth Proportional to 193,390.20, 266,883.08 and 108,513.54

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Solution

The fourth proportional to 193,390.20, 266,883.08 and 108,513.54 is: 149,751.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,390.20 : 266,883.08 = 108,513.54 : x
  2. Step 2: Convert to fraction form
    193,390.20/266,883.08 = 108,513.54/x
  3. Step 3: Cross multiply
    193,390.20x = 266,883.08 × 108,513.54
  4. Step 4: Simplify right side
    193,390.20x = 28,960,427,406.64
  5. Step 5: Solve for x
    x = 28,960,427,406.64/193,390.20
  6. Step 6: Final answer
    x = 149,751.27

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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.