Home / 219,416.25-329,135.78-69,668.27

Finding the Fourth Proportional to 219,416.25, 329,135.78 and 69,668.27

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Solution

The fourth proportional to 219,416.25, 329,135.78 and 69,668.27 is: 104,506.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,416.25 : 329,135.78 = 69,668.27 : x
  2. Step 2: Convert to fraction form
    219,416.25/329,135.78 = 69,668.27/x
  3. Step 3: Cross multiply
    219,416.25x = 329,135.78 × 69,668.27
  4. Step 4: Simplify right side
    219,416.25x = 22,930,319,758.57
  5. Step 5: Solve for x
    x = 22,930,319,758.57/219,416.25
  6. Step 6: Final answer
    x = 104,506.02

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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.