Home / 133,099.10-199,648.65-131,716.70

Finding the Fourth Proportional to 133,099.10, 199,648.65 and 131,716.70

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Solution

The fourth proportional to 133,099.10, 199,648.65 and 131,716.70 is: 197,575.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,099.10 : 199,648.65 = 131,716.70 : x
  2. Step 2: Convert to fraction form
    133,099.10/199,648.65 = 131,716.70/x
  3. Step 3: Cross multiply
    133,099.10x = 199,648.65 × 131,716.70
  4. Step 4: Simplify right side
    133,099.10x = 26,297,061,337.46
  5. Step 5: Solve for x
    x = 26,297,061,337.46/133,099.10
  6. Step 6: Final answer
    x = 197,575.05

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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.