Home / 185,260.70-277,883.31-78,615.38

Finding the Fourth Proportional to 185,260.70, 277,883.31 and 78,615.38

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Solution

The fourth proportional to 185,260.70, 277,883.31 and 78,615.38 is: 117,919.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,260.70 : 277,883.31 = 78,615.38 : x
  2. Step 2: Convert to fraction form
    185,260.70/277,883.31 = 78,615.38/x
  3. Step 3: Cross multiply
    185,260.70x = 277,883.31 × 78,615.38
  4. Step 4: Simplify right side
    185,260.70x = 21,845,902,011.31
  5. Step 5: Solve for x
    x = 21,845,902,011.31/185,260.70
  6. Step 6: Final answer
    x = 117,919.79

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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.