Home / 193,369.30-266,865.71-107,336.36

Finding the Fourth Proportional to 193,369.30, 266,865.71 and 107,336.36

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Solution

The fourth proportional to 193,369.30, 266,865.71 and 107,336.36 is: 148,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,369.30 : 266,865.71 = 107,336.36 : x
  2. Step 2: Convert to fraction form
    193,369.30/266,865.71 = 107,336.36/x
  3. Step 3: Cross multiply
    193,369.30x = 266,865.71 × 107,336.36
  4. Step 4: Simplify right side
    193,369.30x = 28,644,394,050.70
  5. Step 5: Solve for x
    x = 28,644,394,050.70/193,369.30
  6. Step 6: Final answer
    x = 148,133.10

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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.