Home / 144,251.10-199,075.86-80,589.24

Finding the Fourth Proportional to 144,251.10, 199,075.86 and 80,589.24

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Solution

The fourth proportional to 144,251.10, 199,075.86 and 80,589.24 is: 111,218.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,251.10 : 199,075.86 = 80,589.24 : x
  2. Step 2: Convert to fraction form
    144,251.10/199,075.86 = 80,589.24/x
  3. Step 3: Cross multiply
    144,251.10x = 199,075.86 × 80,589.24
  4. Step 4: Simplify right side
    144,251.10x = 16,043,372,259.75
  5. Step 5: Solve for x
    x = 16,043,372,259.75/144,251.10
  6. Step 6: Final answer
    x = 111,218.37

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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.