Home / 330,024.42-455,433.66-179,121.42

Finding the Fourth Proportional to 330,024.42, 455,433.66 and 179,121.42

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Solution

The fourth proportional to 330,024.42, 455,433.66 and 179,121.42 is: 247,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,024.42 : 455,433.66 = 179,121.42 : x
  2. Step 2: Convert to fraction form
    330,024.42/455,433.66 = 179,121.42/x
  3. Step 3: Cross multiply
    330,024.42x = 455,433.66 × 179,121.42
  4. Step 4: Simplify right side
    330,024.42x = 81,577,923,895.00
  5. Step 5: Solve for x
    x = 81,577,923,895.00/330,024.42
  6. Step 6: Final answer
    x = 247,187.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.