Home / 131,652.20-197,348.70-65,102.60

Finding the Fourth Proportional to 131,652.20, 197,348.70 and 65,102.60

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Solution

The fourth proportional to 131,652.20, 197,348.70 and 65,102.60 is: 97,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,652.20 : 197,348.70 = 65,102.60 : x
  2. Step 2: Convert to fraction form
    131,652.20/197,348.70 = 65,102.60/x
  3. Step 3: Cross multiply
    131,652.20x = 197,348.70 × 65,102.60
  4. Step 4: Simplify right side
    131,652.20x = 12,847,913,476.62
  5. Step 5: Solve for x
    x = 12,847,913,476.62/131,652.20
  6. Step 6: Final answer
    x = 97,589.81

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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.