Home / 185,840.20-256,458.06-100,957.87

Finding the Fourth Proportional to 185,840.20, 256,458.06 and 100,957.87

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Solution

The fourth proportional to 185,840.20, 256,458.06 and 100,957.87 is: 139,321.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,840.20 : 256,458.06 = 100,957.87 : x
  2. Step 2: Convert to fraction form
    185,840.20/256,458.06 = 100,957.87/x
  3. Step 3: Cross multiply
    185,840.20x = 256,458.06 × 100,957.87
  4. Step 4: Simplify right side
    185,840.20x = 25,891,459,481.93
  5. Step 5: Solve for x
    x = 25,891,459,481.93/185,840.20
  6. Step 6: Final answer
    x = 139,321.09

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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.