Home / 168,015.40-231,861.18-92,563.90

Finding the Fourth Proportional to 168,015.40, 231,861.18 and 92,563.90

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Solution

The fourth proportional to 168,015.40, 231,861.18 and 92,563.90 is: 127,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,015.40 : 231,861.18 = 92,563.90 : x
  2. Step 2: Convert to fraction form
    168,015.40/231,861.18 = 92,563.90/x
  3. Step 3: Cross multiply
    168,015.40x = 231,861.18 × 92,563.90
  4. Step 4: Simplify right side
    168,015.40x = 21,461,975,079.40
  5. Step 5: Solve for x
    x = 21,461,975,079.40/168,015.40
  6. Step 6: Final answer
    x = 127,738.14

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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.