Home / 169,441.59-253,997.13-80,671.26

Finding the Fourth Proportional to 169,441.59, 253,997.13 and 80,671.26

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Solution

The fourth proportional to 169,441.59, 253,997.13 and 80,671.26 is: 120,928.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,441.59 : 253,997.13 = 80,671.26 : x
  2. Step 2: Convert to fraction form
    169,441.59/253,997.13 = 80,671.26/x
  3. Step 3: Cross multiply
    169,441.59x = 253,997.13 × 80,671.26
  4. Step 4: Simplify right side
    169,441.59x = 20,490,268,513.48
  5. Step 5: Solve for x
    x = 20,490,268,513.48/169,441.59
  6. Step 6: Final answer
    x = 120,928.21

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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.