Home / 119,255.70-178,872.54-40,360.86

Finding the Fourth Proportional to 119,255.70, 178,872.54 and 40,360.86

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Solution

The fourth proportional to 119,255.70, 178,872.54 and 40,360.86 is: 60,537.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,255.70 : 178,872.54 = 40,360.86 : x
  2. Step 2: Convert to fraction form
    119,255.70/178,872.54 = 40,360.86/x
  3. Step 3: Cross multiply
    119,255.70x = 178,872.54 × 40,360.86
  4. Step 4: Simplify right side
    119,255.70x = 7,219,449,544.78
  5. Step 5: Solve for x
    x = 7,219,449,544.78/119,255.70
  6. Step 6: Final answer
    x = 60,537.56

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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.