Home / 226,106.82-312,028.71-124,136.73

Finding the Fourth Proportional to 226,106.82, 312,028.71 and 124,136.73

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Solution

The fourth proportional to 226,106.82, 312,028.71 and 124,136.73 is: 171,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,106.82 : 312,028.71 = 124,136.73 : x
  2. Step 2: Convert to fraction form
    226,106.82/312,028.71 = 124,136.73/x
  3. Step 3: Cross multiply
    226,106.82x = 312,028.71 × 124,136.73
  4. Step 4: Simplify right side
    226,106.82x = 38,734,223,725.52
  5. Step 5: Solve for x
    x = 38,734,223,725.52/226,106.82
  6. Step 6: Final answer
    x = 171,309.40

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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.