Home / 115,486.26-173,198.79-45,366.18

Finding the Fourth Proportional to 115,486.26, 173,198.79 and 45,366.18

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Solution

The fourth proportional to 115,486.26, 173,198.79 and 45,366.18 is: 68,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,486.26 : 173,198.79 = 45,366.18 : x
  2. Step 2: Convert to fraction form
    115,486.26/173,198.79 = 45,366.18/x
  3. Step 3: Cross multiply
    115,486.26x = 173,198.79 × 45,366.18
  4. Step 4: Simplify right side
    115,486.26x = 7,857,367,482.92
  5. Step 5: Solve for x
    x = 7,857,367,482.92/115,486.26
  6. Step 6: Final answer
    x = 68,037.25

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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.