Home / 140,676.03-194,132.97-77,017.86

Finding the Fourth Proportional to 140,676.03, 194,132.97 and 77,017.86

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Solution

The fourth proportional to 140,676.03, 194,132.97 and 77,017.86 is: 106,284.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,676.03 : 194,132.97 = 77,017.86 : x
  2. Step 2: Convert to fraction form
    140,676.03/194,132.97 = 77,017.86/x
  3. Step 3: Cross multiply
    140,676.03x = 194,132.97 × 77,017.86
  4. Step 4: Simplify right side
    140,676.03x = 14,951,705,904.84
  5. Step 5: Solve for x
    x = 14,951,705,904.84/140,676.03
  6. Step 6: Final answer
    x = 106,284.67

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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.