Home / 183,787.52-253,640.23-103,219.79

Finding the Fourth Proportional to 183,787.52, 253,640.23 and 103,219.79

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Solution

The fourth proportional to 183,787.52, 253,640.23 and 103,219.79 is: 142,450.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,787.52 : 253,640.23 = 103,219.79 : x
  2. Step 2: Convert to fraction form
    183,787.52/253,640.23 = 103,219.79/x
  3. Step 3: Cross multiply
    183,787.52x = 253,640.23 × 103,219.79
  4. Step 4: Simplify right side
    183,787.52x = 26,180,689,749.90
  5. Step 5: Solve for x
    x = 26,180,689,749.90/183,787.52
  6. Step 6: Final answer
    x = 142,450.86

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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.