Home / 185,255.36-255,652.08-100,374.56

Finding the Fourth Proportional to 185,255.36, 255,652.08 and 100,374.56

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Solution

The fourth proportional to 185,255.36, 255,652.08 and 100,374.56 is: 138,516.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,255.36 : 255,652.08 = 100,374.56 : x
  2. Step 2: Convert to fraction form
    185,255.36/255,652.08 = 100,374.56/x
  3. Step 3: Cross multiply
    185,255.36x = 255,652.08 × 100,374.56
  4. Step 4: Simplify right side
    185,255.36x = 25,660,965,043.08
  5. Step 5: Solve for x
    x = 25,660,965,043.08/185,255.36
  6. Step 6: Final answer
    x = 138,516.72

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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.