Home / 236,821.46-355,278.84-76,867.52

Finding the Fourth Proportional to 236,821.46, 355,278.84 and 76,867.52

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Solution

The fourth proportional to 236,821.46, 355,278.84 and 76,867.52 is: 115,316.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,821.46 : 355,278.84 = 76,867.52 : x
  2. Step 2: Convert to fraction form
    236,821.46/355,278.84 = 76,867.52/x
  3. Step 3: Cross multiply
    236,821.46x = 355,278.84 × 76,867.52
  4. Step 4: Simplify right side
    236,821.46x = 27,309,403,339.28
  5. Step 5: Solve for x
    x = 27,309,403,339.28/236,821.46
  6. Step 6: Final answer
    x = 115,316.42

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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.