Home / 131,612.20-197,288.70-65,062.60

Finding the Fourth Proportional to 131,612.20, 197,288.70 and 65,062.60

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Solution

The fourth proportional to 131,612.20, 197,288.70 and 65,062.60 is: 97,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,612.20 : 197,288.70 = 65,062.60 : x
  2. Step 2: Convert to fraction form
    131,612.20/197,288.70 = 65,062.60/x
  3. Step 3: Cross multiply
    131,612.20x = 197,288.70 × 65,062.60
  4. Step 4: Simplify right side
    131,612.20x = 12,836,115,772.62
  5. Step 5: Solve for x
    x = 12,836,115,772.62/131,612.20
  6. Step 6: Final answer
    x = 97,529.83

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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.