Home / 131,000.64-196,512.84-36,236.76

Finding the Fourth Proportional to 131,000.64, 196,512.84 and 36,236.76

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Solution

The fourth proportional to 131,000.64, 196,512.84 and 36,236.76 is: 54,358.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,000.64 : 196,512.84 = 36,236.76 : x
  2. Step 2: Convert to fraction form
    131,000.64/196,512.84 = 36,236.76/x
  3. Step 3: Cross multiply
    131,000.64x = 196,512.84 × 36,236.76
  4. Step 4: Simplify right side
    131,000.64x = 7,120,988,620.00
  5. Step 5: Solve for x
    x = 7,120,988,620.00/131,000.64
  6. Step 6: Final answer
    x = 54,358.43

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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.