Home / 141,125.30-194,719.41-79,872.32

Finding the Fourth Proportional to 141,125.30, 194,719.41 and 79,872.32

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Solution

The fourth proportional to 141,125.30, 194,719.41 and 79,872.32 is: 110,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,125.30 : 194,719.41 = 79,872.32 : x
  2. Step 2: Convert to fraction form
    141,125.30/194,719.41 = 79,872.32/x
  3. Step 3: Cross multiply
    141,125.30x = 194,719.41 × 79,872.32
  4. Step 4: Simplify right side
    141,125.30x = 15,552,691,025.73
  5. Step 5: Solve for x
    x = 15,552,691,025.73/141,125.30
  6. Step 6: Final answer
    x = 110,204.84

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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.