Home / 243,931.10-365,787.30-110,742.80

Finding the Fourth Proportional to 243,931.10, 365,787.30 and 110,742.80

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Solution

The fourth proportional to 243,931.10, 365,787.30 and 110,742.80 is: 166,064.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,931.10 : 365,787.30 = 110,742.80 : x
  2. Step 2: Convert to fraction form
    243,931.10/365,787.30 = 110,742.80/x
  3. Step 3: Cross multiply
    243,931.10x = 365,787.30 × 110,742.80
  4. Step 4: Simplify right side
    243,931.10x = 40,508,309,806.44
  5. Step 5: Solve for x
    x = 40,508,309,806.44/243,931.10
  6. Step 6: Final answer
    x = 166,064.56

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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.