Home / 198,883.17-298,344.20-58,681.89

Finding the Fourth Proportional to 198,883.17, 298,344.20 and 58,681.89

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Solution

The fourth proportional to 198,883.17, 298,344.20 and 58,681.89 is: 88,028.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,883.17 : 298,344.20 = 58,681.89 : x
  2. Step 2: Convert to fraction form
    198,883.17/298,344.20 = 58,681.89/x
  3. Step 3: Cross multiply
    198,883.17x = 298,344.20 × 58,681.89
  4. Step 4: Simplify right side
    198,883.17x = 17,507,401,233.13
  5. Step 5: Solve for x
    x = 17,507,401,233.13/198,883.17
  6. Step 6: Final answer
    x = 88,028.57

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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.