Home / 217,005.50-325,684.83-111,854.54

Finding the Fourth Proportional to 217,005.50, 325,684.83 and 111,854.54

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Solution

The fourth proportional to 217,005.50, 325,684.83 and 111,854.54 is: 167,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,005.50 : 325,684.83 = 111,854.54 : x
  2. Step 2: Convert to fraction form
    217,005.50/325,684.83 = 111,854.54/x
  3. Step 3: Cross multiply
    217,005.50x = 325,684.83 × 111,854.54
  4. Step 4: Simplify right side
    217,005.50x = 36,429,326,844.63
  5. Step 5: Solve for x
    x = 36,429,326,844.63/217,005.50
  6. Step 6: Final answer
    x = 167,872.83

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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.