Home / 198,645.12-298,028.16-58,404.96

Finding the Fourth Proportional to 198,645.12, 298,028.16 and 58,404.96

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Solution

The fourth proportional to 198,645.12, 298,028.16 and 58,404.96 is: 87,625.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,645.12 : 298,028.16 = 58,404.96 : x
  2. Step 2: Convert to fraction form
    198,645.12/298,028.16 = 58,404.96/x
  3. Step 3: Cross multiply
    198,645.12x = 298,028.16 × 58,404.96
  4. Step 4: Simplify right side
    198,645.12x = 17,406,322,763.67
  5. Step 5: Solve for x
    x = 17,406,322,763.67/198,645.12
  6. Step 6: Final answer
    x = 87,625.22

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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.