Home / 140,664.24-194,115.96-77,000.88

Finding the Fourth Proportional to 140,664.24, 194,115.96 and 77,000.88

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Solution

The fourth proportional to 140,664.24, 194,115.96 and 77,000.88 is: 106,260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,664.24 : 194,115.96 = 77,000.88 : x
  2. Step 2: Convert to fraction form
    140,664.24/194,115.96 = 77,000.88/x
  3. Step 3: Cross multiply
    140,664.24x = 194,115.96 × 77,000.88
  4. Step 4: Simplify right side
    140,664.24x = 14,947,099,742.04
  5. Step 5: Solve for x
    x = 14,947,099,742.04/140,664.24
  6. Step 6: Final answer
    x = 106,260.84

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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.