Home / 100,832.12-151,297.11-63,409.80

Finding the Fourth Proportional to 100,832.12, 151,297.11 and 63,409.80

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Solution

The fourth proportional to 100,832.12, 151,297.11 and 63,409.80 is: 95,145.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,832.12 : 151,297.11 = 63,409.80 : x
  2. Step 2: Convert to fraction form
    100,832.12/151,297.11 = 63,409.80/x
  3. Step 3: Cross multiply
    100,832.12x = 151,297.11 × 63,409.80
  4. Step 4: Simplify right side
    100,832.12x = 9,593,719,485.68
  5. Step 5: Solve for x
    x = 9,593,719,485.68/100,832.12
  6. Step 6: Final answer
    x = 95,145.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.