Home / 178,735.58-268,103.16-45,615.86

Finding the Fourth Proportional to 178,735.58, 268,103.16 and 45,615.86

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Solution

The fourth proportional to 178,735.58, 268,103.16 and 45,615.86 is: 68,423.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,735.58 : 268,103.16 = 45,615.86 : x
  2. Step 2: Convert to fraction form
    178,735.58/268,103.16 = 45,615.86/x
  3. Step 3: Cross multiply
    178,735.58x = 268,103.16 × 45,615.86
  4. Step 4: Simplify right side
    178,735.58x = 12,229,754,871.60
  5. Step 5: Solve for x
    x = 12,229,754,871.60/178,735.58
  6. Step 6: Final answer
    x = 68,423.73

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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.