Home / 219,399.01-329,161.23-129,523.73

Finding the Fourth Proportional to 219,399.01, 329,161.23 and 129,523.73

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Solution

The fourth proportional to 219,399.01, 329,161.23 and 129,523.73 is: 194,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,399.01 : 329,161.23 = 129,523.73 : x
  2. Step 2: Convert to fraction form
    219,399.01/329,161.23 = 129,523.73/x
  3. Step 3: Cross multiply
    219,399.01x = 329,161.23 × 129,523.73
  4. Step 4: Simplify right side
    219,399.01x = 42,634,188,635.18
  5. Step 5: Solve for x
    x = 42,634,188,635.18/219,399.01
  6. Step 6: Final answer
    x = 194,322.61

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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.