Home / 298,229.76-447,206.40-111,191.04

Finding the Fourth Proportional to 298,229.76, 447,206.40 and 111,191.04

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Solution

The fourth proportional to 298,229.76, 447,206.40 and 111,191.04 is: 166,735.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,229.76 : 447,206.40 = 111,191.04 : x
  2. Step 2: Convert to fraction form
    298,229.76/447,206.40 = 111,191.04/x
  3. Step 3: Cross multiply
    298,229.76x = 447,206.40 × 111,191.04
  4. Step 4: Simplify right side
    298,229.76x = 49,725,344,710.66
  5. Step 5: Solve for x
    x = 49,725,344,710.66/298,229.76
  6. Step 6: Final answer
    x = 166,735.02

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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.