Home / 179,787.60-248,099.76-103,310.64

Finding the Fourth Proportional to 179,787.60, 248,099.76 and 103,310.64

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Solution

The fourth proportional to 179,787.60, 248,099.76 and 103,310.64 is: 142,564.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,787.60 : 248,099.76 = 103,310.64 : x
  2. Step 2: Convert to fraction form
    179,787.60/248,099.76 = 103,310.64/x
  3. Step 3: Cross multiply
    179,787.60x = 248,099.76 × 103,310.64
  4. Step 4: Simplify right side
    179,787.60x = 25,631,344,989.45
  5. Step 5: Solve for x
    x = 25,631,344,989.45/179,787.60
  6. Step 6: Final answer
    x = 142,564.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.