Home / 236,986.75-355,509.69-108,872.29

Finding the Fourth Proportional to 236,986.75, 355,509.69 and 108,872.29

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Solution

The fourth proportional to 236,986.75, 355,509.69 and 108,872.29 is: 163,322.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,986.75 : 355,509.69 = 108,872.29 : x
  2. Step 2: Convert to fraction form
    236,986.75/355,509.69 = 108,872.29/x
  3. Step 3: Cross multiply
    236,986.75x = 355,509.69 × 108,872.29
  4. Step 4: Simplify right side
    236,986.75x = 38,705,154,067.49
  5. Step 5: Solve for x
    x = 38,705,154,067.49/236,986.75
  6. Step 6: Final answer
    x = 163,322.02

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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.