Home / 329,511.43-454,542.78-191,674.83

Finding the Fourth Proportional to 329,511.43, 454,542.78 and 191,674.83

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Solution

The fourth proportional to 329,511.43, 454,542.78 and 191,674.83 is: 264,404.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,511.43 : 454,542.78 = 191,674.83 : x
  2. Step 2: Convert to fraction form
    329,511.43/454,542.78 = 191,674.83/x
  3. Step 3: Cross multiply
    329,511.43x = 454,542.78 × 191,674.83
  4. Step 4: Simplify right side
    329,511.43x = 87,124,410,084.23
  5. Step 5: Solve for x
    x = 87,124,410,084.23/329,511.43
  6. Step 6: Final answer
    x = 264,404.82

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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.