Home / 185,046.72-255,364.44-100,163.76

Finding the Fourth Proportional to 185,046.72, 255,364.44 and 100,163.76

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Solution

The fourth proportional to 185,046.72, 255,364.44 and 100,163.76 is: 138,225.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,046.72 : 255,364.44 = 100,163.76 : x
  2. Step 2: Convert to fraction form
    185,046.72/255,364.44 = 100,163.76/x
  3. Step 3: Cross multiply
    185,046.72x = 255,364.44 × 100,163.76
  4. Step 4: Simplify right side
    185,046.72x = 25,578,262,480.69
  5. Step 5: Solve for x
    x = 25,578,262,480.69/185,046.72
  6. Step 6: Final answer
    x = 138,225.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.