Home / 127,936.30-191,532.75-74,465.06

Finding the Fourth Proportional to 127,936.30, 191,532.75 and 74,465.06

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Solution

The fourth proportional to 127,936.30, 191,532.75 and 74,465.06 is: 111,481.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,936.30 : 191,532.75 = 74,465.06 : x
  2. Step 2: Convert to fraction form
    127,936.30/191,532.75 = 74,465.06/x
  3. Step 3: Cross multiply
    127,936.30x = 191,532.75 × 74,465.06
  4. Step 4: Simplify right side
    127,936.30x = 14,262,497,720.72
  5. Step 5: Solve for x
    x = 14,262,497,720.72/127,936.30
  6. Step 6: Final answer
    x = 111,481.25

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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.