Home / 256,086.04-383,938.83-122,839.42

Finding the Fourth Proportional to 256,086.04, 383,938.83 and 122,839.42

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Solution

The fourth proportional to 256,086.04, 383,938.83 and 122,839.42 is: 184,167.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,086.04 : 383,938.83 = 122,839.42 : x
  2. Step 2: Convert to fraction form
    256,086.04/383,938.83 = 122,839.42/x
  3. Step 3: Cross multiply
    256,086.04x = 383,938.83 × 122,839.42
  4. Step 4: Simplify right side
    256,086.04x = 47,162,823,192.68
  5. Step 5: Solve for x
    x = 47,162,823,192.68/256,086.04
  6. Step 6: Final answer
    x = 184,167.88

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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.