Home / 236,858.49-355,273.16-79,073.73

Finding the Fourth Proportional to 236,858.49, 355,273.16 and 79,073.73

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Solution

The fourth proportional to 236,858.49, 355,273.16 and 79,073.73 is: 118,605.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,858.49 : 355,273.16 = 79,073.73 : x
  2. Step 2: Convert to fraction form
    236,858.49/355,273.16 = 79,073.73/x
  3. Step 3: Cross multiply
    236,858.49x = 355,273.16 × 79,073.73
  4. Step 4: Simplify right side
    236,858.49x = 28,092,773,534.72
  5. Step 5: Solve for x
    x = 28,092,773,534.72/236,858.49
  6. Step 6: Final answer
    x = 118,605.73

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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.