Home / 193,377.78-266,857.19-107,331.74

Finding the Fourth Proportional to 193,377.78, 266,857.19 and 107,331.74

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Solution

The fourth proportional to 193,377.78, 266,857.19 and 107,331.74 is: 148,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,377.78 : 266,857.19 = 107,331.74 : x
  2. Step 2: Convert to fraction form
    193,377.78/266,857.19 = 107,331.74/x
  3. Step 3: Cross multiply
    193,377.78x = 266,857.19 × 107,331.74
  4. Step 4: Simplify right side
    193,377.78x = 28,642,247,118.88
  5. Step 5: Solve for x
    x = 28,642,247,118.88/193,377.78
  6. Step 6: Final answer
    x = 148,115.50

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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.