Home / 211,849.32-317,773.88-54,077.73

Finding the Fourth Proportional to 211,849.32, 317,773.88 and 54,077.73

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Solution

The fourth proportional to 211,849.32, 317,773.88 and 54,077.73 is: 81,116.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,849.32 : 317,773.88 = 54,077.73 : x
  2. Step 2: Convert to fraction form
    211,849.32/317,773.88 = 54,077.73/x
  3. Step 3: Cross multiply
    211,849.32x = 317,773.88 × 54,077.73
  4. Step 4: Simplify right side
    211,849.32x = 17,184,489,128.63
  5. Step 5: Solve for x
    x = 17,184,489,128.63/211,849.32
  6. Step 6: Final answer
    x = 81,116.56

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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.