Home / 193,227.40-266,644.43-107,189.81

Finding the Fourth Proportional to 193,227.40, 266,644.43 and 107,189.81

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Solution

The fourth proportional to 193,227.40, 266,644.43 and 107,189.81 is: 147,916.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,227.40 : 266,644.43 = 107,189.81 : x
  2. Step 2: Convert to fraction form
    193,227.40/266,644.43 = 107,189.81/x
  3. Step 3: Cross multiply
    193,227.40x = 266,644.43 × 107,189.81
  4. Step 4: Simplify right side
    193,227.40x = 28,581,565,789.26
  5. Step 5: Solve for x
    x = 28,581,565,789.26/193,227.40
  6. Step 6: Final answer
    x = 147,916.73

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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.