Home / 330,180.56-455,651-179,277.56

Finding the Fourth Proportional to 330,180.56, 455,651 and 179,277.56

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Solution

The fourth proportional to 330,180.56, 455,651 and 179,277.56 is: 247,404.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,180.56 : 455,651 = 179,277.56 : x
  2. Step 2: Convert to fraction form
    330,180.56/455,651 = 179,277.56/x
  3. Step 3: Cross multiply
    330,180.56x = 455,651 × 179,277.56
  4. Step 4: Simplify right side
    330,180.56x = 81,687,999,491.56
  5. Step 5: Solve for x
    x = 81,687,999,491.56/330,180.56
  6. Step 6: Final answer
    x = 247,404.02

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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.