Home / 185,755.52-256,343.58-105,198.73

Finding the Fourth Proportional to 185,755.52, 256,343.58 and 105,198.73

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Solution

The fourth proportional to 185,755.52, 256,343.58 and 105,198.73 is: 145,174.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,755.52 : 256,343.58 = 105,198.73 : x
  2. Step 2: Convert to fraction form
    185,755.52/256,343.58 = 105,198.73/x
  3. Step 3: Cross multiply
    185,755.52x = 256,343.58 × 105,198.73
  4. Step 4: Simplify right side
    185,755.52x = 26,967,018,418.79
  5. Step 5: Solve for x
    x = 26,967,018,418.79/185,755.52
  6. Step 6: Final answer
    x = 145,174.79

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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.