Home / 256,678.33-383,137.49-226,377.85

Finding the Fourth Proportional to 256,678.33, 383,137.49 and 226,377.85

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Solution

The fourth proportional to 256,678.33, 383,137.49 and 226,377.85 is: 337,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,678.33 : 383,137.49 = 226,377.85 : x
  2. Step 2: Convert to fraction form
    256,678.33/383,137.49 = 226,377.85/x
  3. Step 3: Cross multiply
    256,678.33x = 383,137.49 × 226,377.85
  4. Step 4: Simplify right side
    256,678.33x = 86,733,841,240.60
  5. Step 5: Solve for x
    x = 86,733,841,240.60/256,678.33
  6. Step 6: Final answer
    x = 337,908.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.