Home / 256,677.33-383,136-226,376.85

Finding the Fourth Proportional to 256,677.33, 383,136 and 226,376.85

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Solution

The fourth proportional to 256,677.33, 383,136 and 226,376.85 is: 337,907.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,677.33 : 383,136 = 226,376.85 : x
  2. Step 2: Convert to fraction form
    256,677.33/383,136 = 226,376.85/x
  3. Step 3: Cross multiply
    256,677.33x = 383,136 × 226,376.85
  4. Step 4: Simplify right side
    256,677.33x = 86,733,120,801.60
  5. Step 5: Solve for x
    x = 86,733,120,801.60/256,677.33
  6. Step 6: Final answer
    x = 337,907.21

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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.