Home / 178,733.82-268,137.54-52,378.20

Finding the Fourth Proportional to 178,733.82, 268,137.54 and 52,378.20

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Solution

The fourth proportional to 178,733.82, 268,137.54 and 52,378.20 is: 78,578.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,733.82 : 268,137.54 = 52,378.20 : x
  2. Step 2: Convert to fraction form
    178,733.82/268,137.54 = 52,378.20/x
  3. Step 3: Cross multiply
    178,733.82x = 268,137.54 × 52,378.20
  4. Step 4: Simplify right side
    178,733.82x = 14,044,561,697.63
  5. Step 5: Solve for x
    x = 14,044,561,697.63/178,733.82
  6. Step 6: Final answer
    x = 78,578.09

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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.