Home / 211,512.20-316,644.96-185,268.20

Finding the Fourth Proportional to 211,512.20, 316,644.96 and 185,268.20

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Solution

The fourth proportional to 211,512.20, 316,644.96 and 185,268.20 is: 277,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,512.20 : 316,644.96 = 185,268.20 : x
  2. Step 2: Convert to fraction form
    211,512.20/316,644.96 = 185,268.20/x
  3. Step 3: Cross multiply
    211,512.20x = 316,644.96 × 185,268.20
  4. Step 4: Simplify right side
    211,512.20x = 58,664,241,778.27
  5. Step 5: Solve for x
    x = 58,664,241,778.27/211,512.20
  6. Step 6: Final answer
    x = 277,356.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.