Home / 193,013.11-266,351.65-106,968.43

Finding the Fourth Proportional to 193,013.11, 266,351.65 and 106,968.43

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Solution

The fourth proportional to 193,013.11, 266,351.65 and 106,968.43 is: 147,612.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,013.11 : 266,351.65 = 106,968.43 : x
  2. Step 2: Convert to fraction form
    193,013.11/266,351.65 = 106,968.43/x
  3. Step 3: Cross multiply
    193,013.11x = 266,351.65 × 106,968.43
  4. Step 4: Simplify right side
    193,013.11x = 28,491,217,828.41
  5. Step 5: Solve for x
    x = 28,491,217,828.41/193,013.11
  6. Step 6: Final answer
    x = 147,612.86

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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.