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Finding the Fourth Proportional to 181,258.62, 250,141.44 and 100,682.28

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Solution

The fourth proportional to 181,258.62, 250,141.44 and 100,682.28 is: 138,944.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,258.62 : 250,141.44 = 100,682.28 : x
  2. Step 2: Convert to fraction form
    181,258.62/250,141.44 = 100,682.28/x
  3. Step 3: Cross multiply
    181,258.62x = 250,141.44 × 100,682.28
  4. Step 4: Simplify right side
    181,258.62x = 25,184,810,501.68
  5. Step 5: Solve for x
    x = 25,184,810,501.68/181,258.62
  6. Step 6: Final answer
    x = 138,944.07

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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.