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Finding the Fourth Proportional to 181,203.66, 250,054.20 and 100,636.37

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Solution

The fourth proportional to 181,203.66, 250,054.20 and 100,636.37 is: 138,874.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,203.66 : 250,054.20 = 100,636.37 : x
  2. Step 2: Convert to fraction form
    181,203.66/250,054.20 = 100,636.37/x
  3. Step 3: Cross multiply
    181,203.66x = 250,054.20 × 100,636.37
  4. Step 4: Simplify right side
    181,203.66x = 25,164,548,545.18
  5. Step 5: Solve for x
    x = 25,164,548,545.18/181,203.66
  6. Step 6: Final answer
    x = 138,874.39

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1.5x scale

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.