Home / 185,616.77-256,149.64-100,733.83

Finding the Fourth Proportional to 185,616.77, 256,149.64 and 100,733.83

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Solution

The fourth proportional to 185,616.77, 256,149.64 and 100,733.83 is: 139,011.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,616.77 : 256,149.64 = 100,733.83 : x
  2. Step 2: Convert to fraction form
    185,616.77/256,149.64 = 100,733.83/x
  3. Step 3: Cross multiply
    185,616.77x = 256,149.64 × 100,733.83
  4. Step 4: Simplify right side
    185,616.77x = 25,802,933,775.86
  5. Step 5: Solve for x
    x = 25,802,933,775.86/185,616.77
  6. Step 6: Final answer
    x = 139,011.87

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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.