Home / 133,098.10-199,647.15-131,715.70

Finding the Fourth Proportional to 133,098.10, 199,647.15 and 131,715.70

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Solution

The fourth proportional to 133,098.10, 199,647.15 and 131,715.70 is: 197,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,098.10 : 199,647.15 = 131,715.70 : x
  2. Step 2: Convert to fraction form
    133,098.10/199,647.15 = 131,715.70/x
  3. Step 3: Cross multiply
    133,098.10x = 199,647.15 × 131,715.70
  4. Step 4: Simplify right side
    133,098.10x = 26,296,664,115.26
  5. Step 5: Solve for x
    x = 26,296,664,115.26/133,098.10
  6. Step 6: Final answer
    x = 197,573.55

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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.