Home / 185,610.35-256,142.47-100,727.42

Finding the Fourth Proportional to 185,610.35, 256,142.47 and 100,727.42

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Solution

The fourth proportional to 185,610.35, 256,142.47 and 100,727.42 is: 139,003.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,610.35 : 256,142.47 = 100,727.42 : x
  2. Step 2: Convert to fraction form
    185,610.35/256,142.47 = 100,727.42/x
  3. Step 3: Cross multiply
    185,610.35x = 256,142.47 × 100,727.42
  4. Step 4: Simplify right side
    185,610.35x = 25,800,568,874.82
  5. Step 5: Solve for x
    x = 25,800,568,874.82/185,610.35
  6. Step 6: Final answer
    x = 139,003.93

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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.