Home / 329,209.05-493,977.60-187,163.40

Finding the Fourth Proportional to 329,209.05, 493,977.60 and 187,163.40

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Solution

The fourth proportional to 329,209.05, 493,977.60 and 187,163.40 is: 280,838.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,209.05 : 493,977.60 = 187,163.40 : x
  2. Step 2: Convert to fraction form
    329,209.05/493,977.60 = 187,163.40/x
  3. Step 3: Cross multiply
    329,209.05x = 493,977.60 × 187,163.40
  4. Step 4: Simplify right side
    329,209.05x = 92,454,527,139.84
  5. Step 5: Solve for x
    x = 92,454,527,139.84/329,209.05
  6. Step 6: Final answer
    x = 280,838.35

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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.