Home / 218,030.18-327,092.42-66,214.78

Finding the Fourth Proportional to 218,030.18, 327,092.42 and 66,214.78

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Solution

The fourth proportional to 218,030.18, 327,092.42 and 66,214.78 is: 99,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,030.18 : 327,092.42 = 66,214.78 : x
  2. Step 2: Convert to fraction form
    218,030.18/327,092.42 = 66,214.78/x
  3. Step 3: Cross multiply
    218,030.18x = 327,092.42 × 66,214.78
  4. Step 4: Simplify right side
    218,030.18x = 21,658,352,629.97
  5. Step 5: Solve for x
    x = 21,658,352,629.97/218,030.18
  6. Step 6: Final answer
    x = 99,336.49

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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.