Home / 185,425.25-255,886.97-100,542.33

Finding the Fourth Proportional to 185,425.25, 255,886.97 and 100,542.33

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Solution

The fourth proportional to 185,425.25, 255,886.97 and 100,542.33 is: 138,748.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,425.25 : 255,886.97 = 100,542.33 : x
  2. Step 2: Convert to fraction form
    185,425.25/255,886.97 = 100,542.33/x
  3. Step 3: Cross multiply
    185,425.25x = 255,886.97 × 100,542.33
  4. Step 4: Simplify right side
    185,425.25x = 25,727,471,677.73
  5. Step 5: Solve for x
    x = 25,727,471,677.73/185,425.25
  6. Step 6: Final answer
    x = 138,748.48

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1.5x scale

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.