Home / 218,218.59-327,326.67-56,112.39

Finding the Fourth Proportional to 218,218.59, 327,326.67 and 56,112.39

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Solution

The fourth proportional to 218,218.59, 327,326.67 and 56,112.39 is: 84,168.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,218.59 : 327,326.67 = 56,112.39 : x
  2. Step 2: Convert to fraction form
    218,218.59/327,326.67 = 56,112.39/x
  3. Step 3: Cross multiply
    218,218.59x = 327,326.67 × 56,112.39
  4. Step 4: Simplify right side
    218,218.59x = 18,367,081,764.44
  5. Step 5: Solve for x
    x = 18,367,081,764.44/218,218.59
  6. Step 6: Final answer
    x = 84,168.27

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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.