Home / 178,961.18-268,435.61-45,842.58

Finding the Fourth Proportional to 178,961.18, 268,435.61 and 45,842.58

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Solution

The fourth proportional to 178,961.18, 268,435.61 and 45,842.58 is: 68,762.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,961.18 : 268,435.61 = 45,842.58 : x
  2. Step 2: Convert to fraction form
    178,961.18/268,435.61 = 45,842.58/x
  3. Step 3: Cross multiply
    178,961.18x = 268,435.61 × 45,842.58
  4. Step 4: Simplify right side
    178,961.18x = 12,305,780,697.06
  5. Step 5: Solve for x
    x = 12,305,780,697.06/178,961.18
  6. Step 6: Final answer
    x = 68,762.29

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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.