Home / 222,838.80-307,516.60-120,863.85

Finding the Fourth Proportional to 222,838.80, 307,516.60 and 120,863.85

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Solution

The fourth proportional to 222,838.80, 307,516.60 and 120,863.85 is: 166,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,838.80 : 307,516.60 = 120,863.85 : x
  2. Step 2: Convert to fraction form
    222,838.80/307,516.60 = 120,863.85/x
  3. Step 3: Cross multiply
    222,838.80x = 307,516.60 × 120,863.85
  4. Step 4: Simplify right side
    222,838.80x = 37,167,639,212.80
  5. Step 5: Solve for x
    x = 37,167,639,212.80/222,838.80
  6. Step 6: Final answer
    x = 166,791.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.