Home / 217,895.52-326,690.82-111,312.48

Finding the Fourth Proportional to 217,895.52, 326,690.82 and 111,312.48

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Solution

The fourth proportional to 217,895.52, 326,690.82 and 111,312.48 is: 166,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,895.52 : 326,690.82 = 111,312.48 : x
  2. Step 2: Convert to fraction form
    217,895.52/326,690.82 = 111,312.48/x
  3. Step 3: Cross multiply
    217,895.52x = 326,690.82 × 111,312.48
  4. Step 4: Simplify right side
    217,895.52x = 36,364,765,367.43
  5. Step 5: Solve for x
    x = 36,364,765,367.43/217,895.52
  6. Step 6: Final answer
    x = 166,890.84

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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.