Home / 131,524.20-197,178.30-56,701.80

Finding the Fourth Proportional to 131,524.20, 197,178.30 and 56,701.80

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Solution

The fourth proportional to 131,524.20, 197,178.30 and 56,701.80 is: 85,006.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,524.20 : 197,178.30 = 56,701.80 : x
  2. Step 2: Convert to fraction form
    131,524.20/197,178.30 = 56,701.80/x
  3. Step 3: Cross multiply
    131,524.20x = 197,178.30 × 56,701.80
  4. Step 4: Simplify right side
    131,524.20x = 11,180,364,530.94
  5. Step 5: Solve for x
    x = 11,180,364,530.94/131,524.20
  6. Step 6: Final answer
    x = 85,006.14

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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.