Home / 185,739.96-256,319.46-100,851.96

Finding the Fourth Proportional to 185,739.96, 256,319.46 and 100,851.96

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Solution

The fourth proportional to 185,739.96, 256,319.46 and 100,851.96 is: 139,174.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,739.96 : 256,319.46 = 100,851.96 : x
  2. Step 2: Convert to fraction form
    185,739.96/256,319.46 = 100,851.96/x
  3. Step 3: Cross multiply
    185,739.96x = 256,319.46 × 100,851.96
  4. Step 4: Simplify right side
    185,739.96x = 25,850,319,927.14
  5. Step 5: Solve for x
    x = 25,850,319,927.14/185,739.96
  6. Step 6: Final answer
    x = 139,174.79

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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.