Home / 217,834.60-326,622.30-112,858.60

Finding the Fourth Proportional to 217,834.60, 326,622.30 and 112,858.60

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Solution

The fourth proportional to 217,834.60, 326,622.30 and 112,858.60 is: 169,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,834.60 : 326,622.30 = 112,858.60 : x
  2. Step 2: Convert to fraction form
    217,834.60/326,622.30 = 112,858.60/x
  3. Step 3: Cross multiply
    217,834.60x = 326,622.30 × 112,858.60
  4. Step 4: Simplify right side
    217,834.60x = 36,862,135,506.78
  5. Step 5: Solve for x
    x = 36,862,135,506.78/217,834.60
  6. Step 6: Final answer
    x = 169,220.76

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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.