Home / 127,294.73-190,917.49-120,972.48

Finding the Fourth Proportional to 127,294.73, 190,917.49 and 120,972.48

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Solution

The fourth proportional to 127,294.73, 190,917.49 and 120,972.48 is: 181,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,294.73 : 190,917.49 = 120,972.48 : x
  2. Step 2: Convert to fraction form
    127,294.73/190,917.49 = 120,972.48/x
  3. Step 3: Cross multiply
    127,294.73x = 190,917.49 × 120,972.48
  4. Step 4: Simplify right side
    127,294.73x = 23,095,762,240.68
  5. Step 5: Solve for x
    x = 23,095,762,240.68/127,294.73
  6. Step 6: Final answer
    x = 181,435.34

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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.