Home / 132,983.60-199,475.40-131,601.20

Finding the Fourth Proportional to 132,983.60, 199,475.40 and 131,601.20

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Solution

The fourth proportional to 132,983.60, 199,475.40 and 131,601.20 is: 197,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,983.60 : 199,475.40 = 131,601.20 : x
  2. Step 2: Convert to fraction form
    132,983.60/199,475.40 = 131,601.20/x
  3. Step 3: Cross multiply
    132,983.60x = 199,475.40 × 131,601.20
  4. Step 4: Simplify right side
    132,983.60x = 26,251,202,010.48
  5. Step 5: Solve for x
    x = 26,251,202,010.48/132,983.60
  6. Step 6: Final answer
    x = 197,401.80

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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.