Home / 127,791.52-176,353.02-74,108.41

Finding the Fourth Proportional to 127,791.52, 176,353.02 and 74,108.41

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Solution

The fourth proportional to 127,791.52, 176,353.02 and 74,108.41 is: 102,270.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,791.52 : 176,353.02 = 74,108.41 : x
  2. Step 2: Convert to fraction form
    127,791.52/176,353.02 = 74,108.41/x
  3. Step 3: Cross multiply
    127,791.52x = 176,353.02 × 74,108.41
  4. Step 4: Simplify right side
    127,791.52x = 13,069,241,910.90
  5. Step 5: Solve for x
    x = 13,069,241,910.90/127,791.52
  6. Step 6: Final answer
    x = 102,270.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.