Home / 169,716.48-234,015.50-108,380.04

Finding the Fourth Proportional to 169,716.48, 234,015.50 and 108,380.04

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Solution

The fourth proportional to 169,716.48, 234,015.50 and 108,380.04 is: 149,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,716.48 : 234,015.50 = 108,380.04 : x
  2. Step 2: Convert to fraction form
    169,716.48/234,015.50 = 108,380.04/x
  3. Step 3: Cross multiply
    169,716.48x = 234,015.50 × 108,380.04
  4. Step 4: Simplify right side
    169,716.48x = 25,362,609,250.62
  5. Step 5: Solve for x
    x = 25,362,609,250.62/169,716.48
  6. Step 6: Final answer
    x = 149,441.05

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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.