Home / 185,634.60-256,174.20-100,751.64

Finding the Fourth Proportional to 185,634.60, 256,174.20 and 100,751.64

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Solution

The fourth proportional to 185,634.60, 256,174.20 and 100,751.64 is: 139,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,634.60 : 256,174.20 = 100,751.64 : x
  2. Step 2: Convert to fraction form
    185,634.60/256,174.20 = 100,751.64/x
  3. Step 3: Cross multiply
    185,634.60x = 256,174.20 × 100,751.64
  4. Step 4: Simplify right side
    185,634.60x = 25,809,970,775.69
  5. Step 5: Solve for x
    x = 25,809,970,775.69/185,634.60
  6. Step 6: Final answer
    x = 139,036.42

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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.