Home / 118,720.92-178,099.02-34,481.80

Finding the Fourth Proportional to 118,720.92, 178,099.02 and 34,481.80

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Solution

The fourth proportional to 118,720.92, 178,099.02 and 34,481.80 is: 51,727.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,720.92 : 178,099.02 = 34,481.80 : x
  2. Step 2: Convert to fraction form
    118,720.92/178,099.02 = 34,481.80/x
  3. Step 3: Cross multiply
    118,720.92x = 178,099.02 × 34,481.80
  4. Step 4: Simplify right side
    118,720.92x = 6,141,174,787.84
  5. Step 5: Solve for x
    x = 6,141,174,787.84/118,720.92
  6. Step 6: Final answer
    x = 51,727.82

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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.