Home / 231,381.96-347,072.94-65,148.36

Finding the Fourth Proportional to 231,381.96, 347,072.94 and 65,148.36

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Solution

The fourth proportional to 231,381.96, 347,072.94 and 65,148.36 is: 97,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,381.96 : 347,072.94 = 65,148.36 : x
  2. Step 2: Convert to fraction form
    231,381.96/347,072.94 = 65,148.36/x
  3. Step 3: Cross multiply
    231,381.96x = 347,072.94 × 65,148.36
  4. Step 4: Simplify right side
    231,381.96x = 22,611,232,841.38
  5. Step 5: Solve for x
    x = 22,611,232,841.38/231,381.96
  6. Step 6: Final answer
    x = 97,722.54

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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.