Home / 277,337.20-415,628.88-117,280.12

Finding the Fourth Proportional to 277,337.20, 415,628.88 and 117,280.12

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Solution

The fourth proportional to 277,337.20, 415,628.88 and 117,280.12 is: 175,760.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,337.20 : 415,628.88 = 117,280.12 : x
  2. Step 2: Convert to fraction form
    277,337.20/415,628.88 = 117,280.12/x
  3. Step 3: Cross multiply
    277,337.20x = 415,628.88 × 117,280.12
  4. Step 4: Simplify right side
    277,337.20x = 48,745,004,921.87
  5. Step 5: Solve for x
    x = 48,745,004,921.87/277,337.20
  6. Step 6: Final answer
    x = 175,760.79

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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.