Home / 185,964.20-256,632.42-101,081.21

Finding the Fourth Proportional to 185,964.20, 256,632.42 and 101,081.21

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Solution

The fourth proportional to 185,964.20, 256,632.42 and 101,081.21 is: 139,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,964.20 : 256,632.42 = 101,081.21 : x
  2. Step 2: Convert to fraction form
    185,964.20/256,632.42 = 101,081.21/x
  3. Step 3: Cross multiply
    185,964.20x = 256,632.42 × 101,081.21
  4. Step 4: Simplify right side
    185,964.20x = 25,940,715,538.83
  5. Step 5: Solve for x
    x = 25,940,715,538.83/185,964.20
  6. Step 6: Final answer
    x = 139,493.06

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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.