Home / 329,942.04-455,320.38-179,039.04

Finding the Fourth Proportional to 329,942.04, 455,320.38 and 179,039.04

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Solution

The fourth proportional to 329,942.04, 455,320.38 and 179,039.04 is: 247,074.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,942.04 : 455,320.38 = 179,039.04 : x
  2. Step 2: Convert to fraction form
    329,942.04/455,320.38 = 179,039.04/x
  3. Step 3: Cross multiply
    329,942.04x = 455,320.38 × 179,039.04
  4. Step 4: Simplify right side
    329,942.04x = 81,520,123,727.64
  5. Step 5: Solve for x
    x = 81,520,123,727.64/329,942.04
  6. Step 6: Final answer
    x = 247,074.07

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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.