Home / 185,651.31-256,199.10-100,768.41

Finding the Fourth Proportional to 185,651.31, 256,199.10 and 100,768.41

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Solution

The fourth proportional to 185,651.31, 256,199.10 and 100,768.41 is: 139,060.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,651.31 : 256,199.10 = 100,768.41 : x
  2. Step 2: Convert to fraction form
    185,651.31/256,199.10 = 100,768.41/x
  3. Step 3: Cross multiply
    185,651.31x = 256,199.10 × 100,768.41
  4. Step 4: Simplify right side
    185,651.31x = 25,816,775,950.43
  5. Step 5: Solve for x
    x = 25,816,775,950.43/185,651.31
  6. Step 6: Final answer
    x = 139,060.56

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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.