Home / 219,375.24-329,062.86-79,133.85

Finding the Fourth Proportional to 219,375.24, 329,062.86 and 79,133.85

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Solution

The fourth proportional to 219,375.24, 329,062.86 and 79,133.85 is: 118,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,375.24 : 329,062.86 = 79,133.85 : x
  2. Step 2: Convert to fraction form
    219,375.24/329,062.86 = 79,133.85/x
  3. Step 3: Cross multiply
    219,375.24x = 329,062.86 × 79,133.85
  4. Step 4: Simplify right side
    219,375.24x = 26,040,011,003.81
  5. Step 5: Solve for x
    x = 26,040,011,003.81/219,375.24
  6. Step 6: Final answer
    x = 118,700.78

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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.