Home / 126,915.29-190,285.46-60,299.27

Finding the Fourth Proportional to 126,915.29, 190,285.46 and 60,299.27

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Solution

The fourth proportional to 126,915.29, 190,285.46 and 60,299.27 is: 90,407.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,915.29 : 190,285.46 = 60,299.27 : x
  2. Step 2: Convert to fraction form
    126,915.29/190,285.46 = 60,299.27/x
  3. Step 3: Cross multiply
    126,915.29x = 190,285.46 × 60,299.27
  4. Step 4: Simplify right side
    126,915.29x = 11,474,074,028.12
  5. Step 5: Solve for x
    x = 11,474,074,028.12/126,915.29
  6. Step 6: Final answer
    x = 90,407.34

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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.