Home / 173,942.64-260,712.36-80,253.36

Finding the Fourth Proportional to 173,942.64, 260,712.36 and 80,253.36

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Solution

The fourth proportional to 173,942.64, 260,712.36 and 80,253.36 is: 120,287.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,942.64 : 260,712.36 = 80,253.36 : x
  2. Step 2: Convert to fraction form
    173,942.64/260,712.36 = 80,253.36/x
  3. Step 3: Cross multiply
    173,942.64x = 260,712.36 × 80,253.36
  4. Step 4: Simplify right side
    173,942.64x = 20,923,042,883.53
  5. Step 5: Solve for x
    x = 20,923,042,883.53/173,942.64
  6. Step 6: Final answer
    x = 120,287.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.