Home / 167,915.12-231,722.40-92,463.68

Finding the Fourth Proportional to 167,915.12, 231,722.40 and 92,463.68

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Solution

The fourth proportional to 167,915.12, 231,722.40 and 92,463.68 is: 127,599.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,915.12 : 231,722.40 = 92,463.68 : x
  2. Step 2: Convert to fraction form
    167,915.12/231,722.40 = 92,463.68/x
  3. Step 3: Cross multiply
    167,915.12x = 231,722.40 × 92,463.68
  4. Step 4: Simplify right side
    167,915.12x = 21,425,905,842.43
  5. Step 5: Solve for x
    x = 21,425,905,842.43/167,915.12
  6. Step 6: Final answer
    x = 127,599.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.