Home / 298,766.40-447,631.20-193,531.20

Finding the Fourth Proportional to 298,766.40, 447,631.20 and 193,531.20

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Solution

The fourth proportional to 298,766.40, 447,631.20 and 193,531.20 is: 289,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,766.40 : 447,631.20 = 193,531.20 : x
  2. Step 2: Convert to fraction form
    298,766.40/447,631.20 = 193,531.20/x
  3. Step 3: Cross multiply
    298,766.40x = 447,631.20 × 193,531.20
  4. Step 4: Simplify right side
    298,766.40x = 86,630,603,293.44
  5. Step 5: Solve for x
    x = 86,630,603,293.44/298,766.40
  6. Step 6: Final answer
    x = 289,961.00

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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.