Home / 219,635.97-329,077.50-147,453.68

Finding the Fourth Proportional to 219,635.97, 329,077.50 and 147,453.68

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Solution

The fourth proportional to 219,635.97, 329,077.50 and 147,453.68 is: 220,927.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,635.97 : 329,077.50 = 147,453.68 : x
  2. Step 2: Convert to fraction form
    219,635.97/329,077.50 = 147,453.68/x
  3. Step 3: Cross multiply
    219,635.97x = 329,077.50 × 147,453.68
  4. Step 4: Simplify right side
    219,635.97x = 48,523,686,734.81
  5. Step 5: Solve for x
    x = 48,523,686,734.81/219,635.97
  6. Step 6: Final answer
    x = 220,927.78

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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.