Home / 340,067.92-469,297.32-187,108.12

Finding the Fourth Proportional to 340,067.92, 469,297.32 and 187,108.12

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Solution

The fourth proportional to 340,067.92, 469,297.32 and 187,108.12 is: 258,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,067.92 : 469,297.32 = 187,108.12 : x
  2. Step 2: Convert to fraction form
    340,067.92/469,297.32 = 187,108.12/x
  3. Step 3: Cross multiply
    340,067.92x = 469,297.32 × 187,108.12
  4. Step 4: Simplify right side
    340,067.92x = 87,809,339,266.24
  5. Step 5: Solve for x
    x = 87,809,339,266.24/340,067.92
  6. Step 6: Final answer
    x = 258,211.18

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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.