Home / 277,222.89-415,771.59-127,319.07

Finding the Fourth Proportional to 277,222.89, 415,771.59 and 127,319.07

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Solution

The fourth proportional to 277,222.89, 415,771.59 and 127,319.07 is: 190,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,222.89 : 415,771.59 = 127,319.07 : x
  2. Step 2: Convert to fraction form
    277,222.89/415,771.59 = 127,319.07/x
  3. Step 3: Cross multiply
    277,222.89x = 415,771.59 × 127,319.07
  4. Step 4: Simplify right side
    277,222.89x = 52,935,652,171.22
  5. Step 5: Solve for x
    x = 52,935,652,171.22/277,222.89
  6. Step 6: Final answer
    x = 190,949.79

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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.