Home / 322,637.18-445,249.59-179,403.26

Finding the Fourth Proportional to 322,637.18, 445,249.59 and 179,403.26

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Solution

The fourth proportional to 322,637.18, 445,249.59 and 179,403.26 is: 247,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,637.18 : 445,249.59 = 179,403.26 : x
  2. Step 2: Convert to fraction form
    322,637.18/445,249.59 = 179,403.26/x
  3. Step 3: Cross multiply
    322,637.18x = 445,249.59 × 179,403.26
  4. Step 4: Simplify right side
    322,637.18x = 79,879,227,959.66
  5. Step 5: Solve for x
    x = 79,879,227,959.66/322,637.18
  6. Step 6: Final answer
    x = 247,582.22

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1.5x scale

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.