Home / 352,514.07-486,418.10-201,581.91

Finding the Fourth Proportional to 352,514.07, 486,418.10 and 201,581.91

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Solution

The fourth proportional to 352,514.07, 486,418.10 and 201,581.91 is: 278,153.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,514.07 : 486,418.10 = 201,581.91 : x
  2. Step 2: Convert to fraction form
    352,514.07/486,418.10 = 201,581.91/x
  3. Step 3: Cross multiply
    352,514.07x = 486,418.10 × 201,581.91
  4. Step 4: Simplify right side
    352,514.07x = 98,053,088,648.66
  5. Step 5: Solve for x
    x = 98,053,088,648.66/352,514.07
  6. Step 6: Final answer
    x = 278,153.69

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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.