Home / 277,179.11-415,768.35-66,817.04

Finding the Fourth Proportional to 277,179.11, 415,768.35 and 66,817.04

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Solution

The fourth proportional to 277,179.11, 415,768.35 and 66,817.04 is: 100,225.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,179.11 : 415,768.35 = 66,817.04 : x
  2. Step 2: Convert to fraction form
    277,179.11/415,768.35 = 66,817.04/x
  3. Step 3: Cross multiply
    277,179.11x = 415,768.35 × 66,817.04
  4. Step 4: Simplify right side
    277,179.11x = 27,780,410,472.68
  5. Step 5: Solve for x
    x = 27,780,410,472.68/277,179.11
  6. Step 6: Final answer
    x = 100,225.49

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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.