Home / 256,766.80-384,829.32-123,611.44

Finding the Fourth Proportional to 256,766.80, 384,829.32 and 123,611.44

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Solution

The fourth proportional to 256,766.80, 384,829.32 and 123,611.44 is: 185,262.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,766.80 : 384,829.32 = 123,611.44 : x
  2. Step 2: Convert to fraction form
    256,766.80/384,829.32 = 123,611.44/x
  3. Step 3: Cross multiply
    256,766.80x = 384,829.32 × 123,611.44
  4. Step 4: Simplify right side
    256,766.80x = 47,569,306,399.42
  5. Step 5: Solve for x
    x = 47,569,306,399.42/256,766.80
  6. Step 6: Final answer
    x = 185,262.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.