Home / 185,015.83-277,300.26-90,103.79

Finding the Fourth Proportional to 185,015.83, 277,300.26 and 90,103.79

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Solution

The fourth proportional to 185,015.83, 277,300.26 and 90,103.79 is: 135,046.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,015.83 : 277,300.26 = 90,103.79 : x
  2. Step 2: Convert to fraction form
    185,015.83/277,300.26 = 90,103.79/x
  3. Step 3: Cross multiply
    185,015.83x = 277,300.26 × 90,103.79
  4. Step 4: Simplify right side
    185,015.83x = 24,985,804,393.99
  5. Step 5: Solve for x
    x = 24,985,804,393.99/185,015.83
  6. Step 6: Final answer
    x = 135,046.85

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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.