Home / 219,920.90-329,492.55-195,037.70

Finding the Fourth Proportional to 219,920.90, 329,492.55 and 195,037.70

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Solution

The fourth proportional to 219,920.90, 329,492.55 and 195,037.70 is: 292,211.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,920.90 : 329,492.55 = 195,037.70 : x
  2. Step 2: Convert to fraction form
    219,920.90/329,492.55 = 195,037.70/x
  3. Step 3: Cross multiply
    219,920.90x = 329,492.55 × 195,037.70
  4. Step 4: Simplify right side
    219,920.90x = 64,263,469,119.14
  5. Step 5: Solve for x
    x = 64,263,469,119.14/219,920.90
  6. Step 6: Final answer
    x = 292,211.74

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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.