Home / 131,092.20-196,638.30-56,199.60

Finding the Fourth Proportional to 131,092.20, 196,638.30 and 56,199.60

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Solution

The fourth proportional to 131,092.20, 196,638.30 and 56,199.60 is: 84,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,092.20 : 196,638.30 = 56,199.60 : x
  2. Step 2: Convert to fraction form
    131,092.20/196,638.30 = 56,199.60/x
  3. Step 3: Cross multiply
    131,092.20x = 196,638.30 × 56,199.60
  4. Step 4: Simplify right side
    131,092.20x = 11,050,993,804.68
  5. Step 5: Solve for x
    x = 11,050,993,804.68/131,092.20
  6. Step 6: Final answer
    x = 84,299.40

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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.