Home / 198,049.48-297,176.34-131,535.64

Finding the Fourth Proportional to 198,049.48, 297,176.34 and 131,535.64

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Solution

The fourth proportional to 198,049.48, 297,176.34 and 131,535.64 is: 197,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,049.48 : 297,176.34 = 131,535.64 : x
  2. Step 2: Convert to fraction form
    198,049.48/297,176.34 = 131,535.64/x
  3. Step 3: Cross multiply
    198,049.48x = 297,176.34 × 131,535.64
  4. Step 4: Simplify right side
    198,049.48x = 39,089,280,074.76
  5. Step 5: Solve for x
    x = 39,089,280,074.76/198,049.48
  6. Step 6: Final answer
    x = 197,371.28

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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.