Home / 185,016.24-255,323.16-100,133.28

Finding the Fourth Proportional to 185,016.24, 255,323.16 and 100,133.28

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Solution

The fourth proportional to 185,016.24, 255,323.16 and 100,133.28 is: 138,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,016.24 : 255,323.16 = 100,133.28 : x
  2. Step 2: Convert to fraction form
    185,016.24/255,323.16 = 100,133.28/x
  3. Step 3: Cross multiply
    185,016.24x = 255,323.16 × 100,133.28
  4. Step 4: Simplify right side
    185,016.24x = 25,566,345,470.76
  5. Step 5: Solve for x
    x = 25,566,345,470.76/185,016.24
  6. Step 6: Final answer
    x = 138,184.33

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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.