Home / 185,016.82-255,322.77-100,133.95

Finding the Fourth Proportional to 185,016.82, 255,322.77 and 100,133.95

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Solution

The fourth proportional to 185,016.82, 255,322.77 and 100,133.95 is: 138,184.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,016.82 : 255,322.77 = 100,133.95 : x
  2. Step 2: Convert to fraction form
    185,016.82/255,322.77 = 100,133.95/x
  3. Step 3: Cross multiply
    185,016.82x = 255,322.77 × 100,133.95
  4. Step 4: Simplify right side
    185,016.82x = 25,566,477,485.04
  5. Step 5: Solve for x
    x = 25,566,477,485.04/185,016.82
  6. Step 6: Final answer
    x = 138,184.61

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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.