Home / 134,837.91-186,241.89-100,997.62

Finding the Fourth Proportional to 134,837.91, 186,241.89 and 100,997.62

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Solution

The fourth proportional to 134,837.91, 186,241.89 and 100,997.62 is: 139,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,837.91 : 186,241.89 = 100,997.62 : x
  2. Step 2: Convert to fraction form
    134,837.91/186,241.89 = 100,997.62/x
  3. Step 3: Cross multiply
    134,837.91x = 186,241.89 × 100,997.62
  4. Step 4: Simplify right side
    134,837.91x = 18,809,987,634.30
  5. Step 5: Solve for x
    x = 18,809,987,634.30/134,837.91
  6. Step 6: Final answer
    x = 139,500.74

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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.