Home / 418,060.14-627,103.23-198,921.96

Finding the Fourth Proportional to 418,060.14, 627,103.23 and 198,921.96

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Solution

The fourth proportional to 418,060.14, 627,103.23 and 198,921.96 is: 298,389.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,060.14 : 627,103.23 = 198,921.96 : x
  2. Step 2: Convert to fraction form
    418,060.14/627,103.23 = 198,921.96/x
  3. Step 3: Cross multiply
    418,060.14x = 627,103.23 × 198,921.96
  4. Step 4: Simplify right side
    418,060.14x = 124,744,603,633.93
  5. Step 5: Solve for x
    x = 124,744,603,633.93/418,060.14
  6. Step 6: Final answer
    x = 298,389.14

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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.