Home / 131,524.17-197,396.45-68,383.05

Finding the Fourth Proportional to 131,524.17, 197,396.45 and 68,383.05

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Solution

The fourth proportional to 131,524.17, 197,396.45 and 68,383.05 is: 102,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,524.17 : 197,396.45 = 68,383.05 : x
  2. Step 2: Convert to fraction form
    131,524.17/197,396.45 = 68,383.05/x
  3. Step 3: Cross multiply
    131,524.17x = 197,396.45 × 68,383.05
  4. Step 4: Simplify right side
    131,524.17x = 13,498,570,968.26
  5. Step 5: Solve for x
    x = 13,498,570,968.26/131,524.17
  6. Step 6: Final answer
    x = 102,631.87

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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.