Home / 178,761.85-268,145.03-52,404.63

Finding the Fourth Proportional to 178,761.85, 268,145.03 and 52,404.63

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Solution

The fourth proportional to 178,761.85, 268,145.03 and 52,404.63 is: 78,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,761.85 : 268,145.03 = 52,404.63 : x
  2. Step 2: Convert to fraction form
    178,761.85/268,145.03 = 52,404.63/x
  3. Step 3: Cross multiply
    178,761.85x = 268,145.03 × 52,404.63
  4. Step 4: Simplify right side
    178,761.85x = 14,052,040,668.34
  5. Step 5: Solve for x
    x = 14,052,040,668.34/178,761.85
  6. Step 6: Final answer
    x = 78,607.60

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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.