Home / 220,919.91-304,843.80-124,110.33

Finding the Fourth Proportional to 220,919.91, 304,843.80 and 124,110.33

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Solution

The fourth proportional to 220,919.91, 304,843.80 and 124,110.33 is: 171,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,919.91 : 304,843.80 = 124,110.33 : x
  2. Step 2: Convert to fraction form
    220,919.91/304,843.80 = 124,110.33/x
  3. Step 3: Cross multiply
    220,919.91x = 304,843.80 × 124,110.33
  4. Step 4: Simplify right side
    220,919.91x = 37,834,263,938.70
  5. Step 5: Solve for x
    x = 37,834,263,938.70/220,919.91
  6. Step 6: Final answer
    x = 171,257.83

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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.