Home / 133,093.10-199,639.65-122,206.70

Finding the Fourth Proportional to 133,093.10, 199,639.65 and 122,206.70

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Solution

The fourth proportional to 133,093.10, 199,639.65 and 122,206.70 is: 183,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,093.10 : 199,639.65 = 122,206.70 : x
  2. Step 2: Convert to fraction form
    133,093.10/199,639.65 = 122,206.70/x
  3. Step 3: Cross multiply
    133,093.10x = 199,639.65 × 122,206.70
  4. Step 4: Simplify right side
    133,093.10x = 24,397,302,815.66
  5. Step 5: Solve for x
    x = 24,397,302,815.66/133,093.10
  6. Step 6: Final answer
    x = 183,310.05

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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.