Home / 250,231.05-375,367.08-72,737.88

Finding the Fourth Proportional to 250,231.05, 375,367.08 and 72,737.88

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Solution

The fourth proportional to 250,231.05, 375,367.08 and 72,737.88 is: 109,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,231.05 : 375,367.08 = 72,737.88 : x
  2. Step 2: Convert to fraction form
    250,231.05/375,367.08 = 72,737.88/x
  3. Step 3: Cross multiply
    250,231.05x = 375,367.08 × 72,737.88
  4. Step 4: Simplify right side
    250,231.05x = 27,303,405,620.99
  5. Step 5: Solve for x
    x = 27,303,405,620.99/250,231.05
  6. Step 6: Final answer
    x = 109,112.78

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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.