Home / 236,731.58-355,147.23-76,795.02

Finding the Fourth Proportional to 236,731.58, 355,147.23 and 76,795.02

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Solution

The fourth proportional to 236,731.58, 355,147.23 and 76,795.02 is: 115,208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,731.58 : 355,147.23 = 76,795.02 : x
  2. Step 2: Convert to fraction form
    236,731.58/355,147.23 = 76,795.02/x
  3. Step 3: Cross multiply
    236,731.58x = 355,147.23 × 76,795.02
  4. Step 4: Simplify right side
    236,731.58x = 27,273,538,630.79
  5. Step 5: Solve for x
    x = 27,273,538,630.79/236,731.58
  6. Step 6: Final answer
    x = 115,208.71

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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.