Home / 156,629.46-234,942.75-38,301.30

Finding the Fourth Proportional to 156,629.46, 234,942.75 and 38,301.30

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Solution

The fourth proportional to 156,629.46, 234,942.75 and 38,301.30 is: 57,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,629.46 : 234,942.75 = 38,301.30 : x
  2. Step 2: Convert to fraction form
    156,629.46/234,942.75 = 38,301.30/x
  3. Step 3: Cross multiply
    156,629.46x = 234,942.75 × 38,301.30
  4. Step 4: Simplify right side
    156,629.46x = 8,998,612,750.58
  5. Step 5: Solve for x
    x = 8,998,612,750.58/156,629.46
  6. Step 6: Final answer
    x = 57,451.60

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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.