Home / 185,651.40-256,192.06-100,766.64

Finding the Fourth Proportional to 185,651.40, 256,192.06 and 100,766.64

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Solution

The fourth proportional to 185,651.40, 256,192.06 and 100,766.64 is: 139,054.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,651.40 : 256,192.06 = 100,766.64 : x
  2. Step 2: Convert to fraction form
    185,651.40/256,192.06 = 100,766.64/x
  3. Step 3: Cross multiply
    185,651.40x = 256,192.06 × 100,766.64
  4. Step 4: Simplify right side
    185,651.40x = 25,815,613,080.88
  5. Step 5: Solve for x
    x = 25,815,613,080.88/185,651.40
  6. Step 6: Final answer
    x = 139,054.23

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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.