Home / 273,976.27-378,085.96-153,117.43

Finding the Fourth Proportional to 273,976.27, 378,085.96 and 153,117.43

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Solution

The fourth proportional to 273,976.27, 378,085.96 and 153,117.43 is: 211,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,976.27 : 378,085.96 = 153,117.43 : x
  2. Step 2: Convert to fraction form
    273,976.27/378,085.96 = 153,117.43/x
  3. Step 3: Cross multiply
    273,976.27x = 378,085.96 × 153,117.43
  4. Step 4: Simplify right side
    273,976.27x = 57,891,550,514.28
  5. Step 5: Solve for x
    x = 57,891,550,514.28/273,976.27
  6. Step 6: Final answer
    x = 211,301.33

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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.