Home / 193,143.96-266,535.81-107,103.06

Finding the Fourth Proportional to 193,143.96, 266,535.81 and 107,103.06

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Solution

The fourth proportional to 193,143.96, 266,535.81 and 107,103.06 is: 147,800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,143.96 : 266,535.81 = 107,103.06 : x
  2. Step 2: Convert to fraction form
    193,143.96/266,535.81 = 107,103.06/x
  3. Step 3: Cross multiply
    193,143.96x = 266,535.81 × 107,103.06
  4. Step 4: Simplify right side
    193,143.96x = 28,546,800,850.58
  5. Step 5: Solve for x
    x = 28,546,800,850.58/193,143.96
  6. Step 6: Final answer
    x = 147,800.64

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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.