Home / 273,977.27-378,087.34-153,118.43

Finding the Fourth Proportional to 273,977.27, 378,087.34 and 153,118.43

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Solution

The fourth proportional to 273,977.27, 378,087.34 and 153,118.43 is: 211,302.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,977.27 : 378,087.34 = 153,118.43 : x
  2. Step 2: Convert to fraction form
    273,977.27/378,087.34 = 153,118.43/x
  3. Step 3: Cross multiply
    273,977.27x = 378,087.34 × 153,118.43
  4. Step 4: Simplify right side
    273,977.27x = 57,892,139,903.68
  5. Step 5: Solve for x
    x = 57,892,139,903.68/273,977.27
  6. Step 6: Final answer
    x = 211,302.71

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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.