Home / 211,856.28-317,784.94-51,932.93

Finding the Fourth Proportional to 211,856.28, 317,784.94 and 51,932.93

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Solution

The fourth proportional to 211,856.28, 317,784.94 and 51,932.93 is: 77,899.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,856.28 : 317,784.94 = 51,932.93 : x
  2. Step 2: Convert to fraction form
    211,856.28/317,784.94 = 51,932.93/x
  3. Step 3: Cross multiply
    211,856.28x = 317,784.94 × 51,932.93
  4. Step 4: Simplify right side
    211,856.28x = 16,503,504,563.06
  5. Step 5: Solve for x
    x = 16,503,504,563.06/211,856.28
  6. Step 6: Final answer
    x = 77,899.53

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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.