Home / 243,982.46-365,936.28-66,503.72

Finding the Fourth Proportional to 243,982.46, 365,936.28 and 66,503.72

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Solution

The fourth proportional to 243,982.46, 365,936.28 and 66,503.72 is: 99,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,982.46 : 365,936.28 = 66,503.72 : x
  2. Step 2: Convert to fraction form
    243,982.46/365,936.28 = 66,503.72/x
  3. Step 3: Cross multiply
    243,982.46x = 365,936.28 × 66,503.72
  4. Step 4: Simplify right side
    243,982.46x = 24,336,123,902.96
  5. Step 5: Solve for x
    x = 24,336,123,902.96/243,982.46
  6. Step 6: Final answer
    x = 99,745.38

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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.