Home / 178,887.05-268,328.66-45,766.25

Finding the Fourth Proportional to 178,887.05, 268,328.66 and 45,766.25

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Solution

The fourth proportional to 178,887.05, 268,328.66 and 45,766.25 is: 68,648.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,887.05 : 268,328.66 = 45,766.25 : x
  2. Step 2: Convert to fraction form
    178,887.05/268,328.66 = 45,766.25/x
  3. Step 3: Cross multiply
    178,887.05x = 268,328.66 × 45,766.25
  4. Step 4: Simplify right side
    178,887.05x = 12,280,394,965.25
  5. Step 5: Solve for x
    x = 12,280,394,965.25/178,887.05
  6. Step 6: Final answer
    x = 68,648.88

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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.