Home / 127,171.31-175,476.02-73,446.44

Finding the Fourth Proportional to 127,171.31, 175,476.02 and 73,446.44

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Solution

The fourth proportional to 127,171.31, 175,476.02 and 73,446.44 is: 101,344.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,171.31 : 175,476.02 = 73,446.44 : x
  2. Step 2: Convert to fraction form
    127,171.31/175,476.02 = 73,446.44/x
  3. Step 3: Cross multiply
    127,171.31x = 175,476.02 × 73,446.44
  4. Step 4: Simplify right side
    127,171.31x = 12,888,087,729.76
  5. Step 5: Solve for x
    x = 12,888,087,729.76/127,171.31
  6. Step 6: Final answer
    x = 101,344.31

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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.