Home / 218,620.50-327,930.75-60,853.05

Finding the Fourth Proportional to 218,620.50, 327,930.75 and 60,853.05

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Solution

The fourth proportional to 218,620.50, 327,930.75 and 60,853.05 is: 91,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,620.50 : 327,930.75 = 60,853.05 : x
  2. Step 2: Convert to fraction form
    218,620.50/327,930.75 = 60,853.05/x
  3. Step 3: Cross multiply
    218,620.50x = 327,930.75 × 60,853.05
  4. Step 4: Simplify right side
    218,620.50x = 19,955,586,326.29
  5. Step 5: Solve for x
    x = 19,955,586,326.29/218,620.50
  6. Step 6: Final answer
    x = 91,279.58

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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.