Home / 185,174.59-255,540.94-100,291.66

Finding the Fourth Proportional to 185,174.59, 255,540.94 and 100,291.66

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Solution

The fourth proportional to 185,174.59, 255,540.94 and 100,291.66 is: 138,402.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,174.59 : 255,540.94 = 100,291.66 : x
  2. Step 2: Convert to fraction form
    185,174.59/255,540.94 = 100,291.66/x
  3. Step 3: Cross multiply
    185,174.59x = 255,540.94 × 100,291.66
  4. Step 4: Simplify right side
    185,174.59x = 25,628,625,070.56
  5. Step 5: Solve for x
    x = 25,628,625,070.56/185,174.59
  6. Step 6: Final answer
    x = 138,402.49

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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.