Home / 131,512.34-197,220.07-47,249.96

Finding the Fourth Proportional to 131,512.34, 197,220.07 and 47,249.96

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Solution

The fourth proportional to 131,512.34, 197,220.07 and 47,249.96 is: 70,857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,512.34 : 197,220.07 = 47,249.96 : x
  2. Step 2: Convert to fraction form
    131,512.34/197,220.07 = 47,249.96/x
  3. Step 3: Cross multiply
    131,512.34x = 197,220.07 × 47,249.96
  4. Step 4: Simplify right side
    131,512.34x = 9,318,641,327.60
  5. Step 5: Solve for x
    x = 9,318,641,327.60/131,512.34
  6. Step 6: Final answer
    x = 70,857.54

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1.5x scale

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.