Home / 185,777.22-256,375.53-100,894.28

Finding the Fourth Proportional to 185,777.22, 256,375.53 and 100,894.28

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Solution

The fourth proportional to 185,777.22, 256,375.53 and 100,894.28 is: 139,235.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,777.22 : 256,375.53 = 100,894.28 : x
  2. Step 2: Convert to fraction form
    185,777.22/256,375.53 = 100,894.28/x
  3. Step 3: Cross multiply
    185,777.22x = 256,375.53 × 100,894.28
  4. Step 4: Simplify right side
    185,777.22x = 25,866,823,227.09
  5. Step 5: Solve for x
    x = 25,866,823,227.09/185,777.22
  6. Step 6: Final answer
    x = 139,235.71

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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.