Home / 277,187.14-415,777.06-66,823.39

Finding the Fourth Proportional to 277,187.14, 415,777.06 and 66,823.39

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Solution

The fourth proportional to 277,187.14, 415,777.06 and 66,823.39 is: 100,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,187.14 : 415,777.06 = 66,823.39 : x
  2. Step 2: Convert to fraction form
    277,187.14/415,777.06 = 66,823.39/x
  3. Step 3: Cross multiply
    277,187.14x = 415,777.06 × 66,823.39
  4. Step 4: Simplify right side
    277,187.14x = 27,783,630,387.49
  5. Step 5: Solve for x
    x = 27,783,630,387.49/277,187.14
  6. Step 6: Final answer
    x = 100,234.20

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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.