Home / 198,459.72-297,694.44-58,222.80

Finding the Fourth Proportional to 198,459.72, 297,694.44 and 58,222.80

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Solution

The fourth proportional to 198,459.72, 297,694.44 and 58,222.80 is: 87,335.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,459.72 : 297,694.44 = 58,222.80 : x
  2. Step 2: Convert to fraction form
    198,459.72/297,694.44 = 58,222.80/x
  3. Step 3: Cross multiply
    198,459.72x = 297,694.44 × 58,222.80
  4. Step 4: Simplify right side
    198,459.72x = 17,332,603,841.23
  5. Step 5: Solve for x
    x = 17,332,603,841.23/198,459.72
  6. Step 6: Final answer
    x = 87,335.63

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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.