Home / 468,849.20-703,200.90-131,856.80

Finding the Fourth Proportional to 468,849.20, 703,200.90 and 131,856.80

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Solution

The fourth proportional to 468,849.20, 703,200.90 and 131,856.80 is: 197,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,849.20 : 703,200.90 = 131,856.80 : x
  2. Step 2: Convert to fraction form
    468,849.20/703,200.90 = 131,856.80/x
  3. Step 3: Cross multiply
    468,849.20x = 703,200.90 × 131,856.80
  4. Step 4: Simplify right side
    468,849.20x = 92,721,820,431.12
  5. Step 5: Solve for x
    x = 92,721,820,431.12/468,849.20
  6. Step 6: Final answer
    x = 197,764.70

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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.