Home / 218,024.18-327,083.42-66,208.77

Finding the Fourth Proportional to 218,024.18, 327,083.42 and 66,208.77

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Solution

The fourth proportional to 218,024.18, 327,083.42 and 66,208.77 is: 99,327.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,024.18 : 327,083.42 = 66,208.77 : x
  2. Step 2: Convert to fraction form
    218,024.18/327,083.42 = 66,208.77/x
  3. Step 3: Cross multiply
    218,024.18x = 327,083.42 × 66,208.77
  4. Step 4: Simplify right side
    218,024.18x = 21,655,790,594.55
  5. Step 5: Solve for x
    x = 21,655,790,594.55/218,024.18
  6. Step 6: Final answer
    x = 99,327.47

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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.