Home / 400,983.15-601,608.99-131,123.73

Finding the Fourth Proportional to 400,983.15, 601,608.99 and 131,123.73

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Solution

The fourth proportional to 400,983.15, 601,608.99 and 131,123.73 is: 196,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,983.15 : 601,608.99 = 131,123.73 : x
  2. Step 2: Convert to fraction form
    400,983.15/601,608.99 = 131,123.73/x
  3. Step 3: Cross multiply
    400,983.15x = 601,608.99 × 131,123.73
  4. Step 4: Simplify right side
    400,983.15x = 78,885,211,434.48
  5. Step 5: Solve for x
    x = 78,885,211,434.48/400,983.15
  6. Step 6: Final answer
    x = 196,729.49

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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.