Home / 185,436.52-255,902.16-100,553.44

Finding the Fourth Proportional to 185,436.52, 255,902.16 and 100,553.44

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Solution

The fourth proportional to 185,436.52, 255,902.16 and 100,553.44 is: 138,763.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,436.52 : 255,902.16 = 100,553.44 : x
  2. Step 2: Convert to fraction form
    185,436.52/255,902.16 = 100,553.44/x
  3. Step 3: Cross multiply
    185,436.52x = 255,902.16 × 100,553.44
  4. Step 4: Simplify right side
    185,436.52x = 25,731,842,491.43
  5. Step 5: Solve for x
    x = 25,731,842,491.43/185,436.52
  6. Step 6: Final answer
    x = 138,763.62

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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.