Home / 185,268.42-255,671.34-100,385.48

Finding the Fourth Proportional to 185,268.42, 255,671.34 and 100,385.48

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Solution

The fourth proportional to 185,268.42, 255,671.34 and 100,385.48 is: 138,532.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,268.42 : 255,671.34 = 100,385.48 : x
  2. Step 2: Convert to fraction form
    185,268.42/255,671.34 = 100,385.48/x
  3. Step 3: Cross multiply
    185,268.42x = 255,671.34 × 100,385.48
  4. Step 4: Simplify right side
    185,268.42x = 25,665,690,188.14
  5. Step 5: Solve for x
    x = 25,665,690,188.14/185,268.42
  6. Step 6: Final answer
    x = 138,532.46

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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.