Home / 251,786.24-377,716.26-74,270.16

Finding the Fourth Proportional to 251,786.24, 377,716.26 and 74,270.16

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Solution

The fourth proportional to 251,786.24, 377,716.26 and 74,270.16 is: 111,416.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,786.24 : 377,716.26 = 74,270.16 : x
  2. Step 2: Convert to fraction form
    251,786.24/377,716.26 = 74,270.16/x
  3. Step 3: Cross multiply
    251,786.24x = 377,716.26 × 74,270.16
  4. Step 4: Simplify right side
    251,786.24x = 28,053,047,064.80
  5. Step 5: Solve for x
    x = 28,053,047,064.80/251,786.24
  6. Step 6: Final answer
    x = 111,416.12

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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.