Home / 126,174.70-174,121.24-68,814.14

Finding the Fourth Proportional to 126,174.70, 174,121.24 and 68,814.14

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Solution

The fourth proportional to 126,174.70, 174,121.24 and 68,814.14 is: 94,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,174.70 : 174,121.24 = 68,814.14 : x
  2. Step 2: Convert to fraction form
    126,174.70/174,121.24 = 68,814.14/x
  3. Step 3: Cross multiply
    126,174.70x = 174,121.24 × 68,814.14
  4. Step 4: Simplify right side
    126,174.70x = 11,982,003,386.33
  5. Step 5: Solve for x
    x = 11,982,003,386.33/126,174.70
  6. Step 6: Final answer
    x = 94,963.60

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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.