Home / 144,489.96-199,416.24-80,832.06

Finding the Fourth Proportional to 144,489.96, 199,416.24 and 80,832.06

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Solution

The fourth proportional to 144,489.96, 199,416.24 and 80,832.06 is: 111,559.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,489.96 : 199,416.24 = 80,832.06 : x
  2. Step 2: Convert to fraction form
    144,489.96/199,416.24 = 80,832.06/x
  3. Step 3: Cross multiply
    144,489.96x = 199,416.24 × 80,832.06
  4. Step 4: Simplify right side
    144,489.96x = 16,119,225,476.65
  5. Step 5: Solve for x
    x = 16,119,225,476.65/144,489.96
  6. Step 6: Final answer
    x = 111,559.48

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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.