Home / 131,996.40-197,800.20-112,167.60

Finding the Fourth Proportional to 131,996.40, 197,800.20 and 112,167.60

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Solution

The fourth proportional to 131,996.40, 197,800.20 and 112,167.60 is: 168,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,996.40 : 197,800.20 = 112,167.60 : x
  2. Step 2: Convert to fraction form
    131,996.40/197,800.20 = 112,167.60/x
  3. Step 3: Cross multiply
    131,996.40x = 197,800.20 × 112,167.60
  4. Step 4: Simplify right side
    131,996.40x = 22,186,773,713.52
  5. Step 5: Solve for x
    x = 22,186,773,713.52/131,996.40
  6. Step 6: Final answer
    x = 168,086.20

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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.