Home / 211,928.20-317,892.30-177,713.80

Finding the Fourth Proportional to 211,928.20, 317,892.30 and 177,713.80

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Solution

The fourth proportional to 211,928.20, 317,892.30 and 177,713.80 is: 266,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,928.20 : 317,892.30 = 177,713.80 : x
  2. Step 2: Convert to fraction form
    211,928.20/317,892.30 = 177,713.80/x
  3. Step 3: Cross multiply
    211,928.20x = 317,892.30 × 177,713.80
  4. Step 4: Simplify right side
    211,928.20x = 56,493,848,623.74
  5. Step 5: Solve for x
    x = 56,493,848,623.74/211,928.20
  6. Step 6: Final answer
    x = 266,570.70

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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.