Home / 127,049.41-190,535.10-87,858.37

Finding the Fourth Proportional to 127,049.41, 190,535.10 and 87,858.37

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Solution

The fourth proportional to 127,049.41, 190,535.10 and 87,858.37 is: 131,760.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,049.41 : 190,535.10 = 87,858.37 : x
  2. Step 2: Convert to fraction form
    127,049.41/190,535.10 = 87,858.37/x
  3. Step 3: Cross multiply
    127,049.41x = 190,535.10 × 87,858.37
  4. Step 4: Simplify right side
    127,049.41x = 16,740,103,313.79
  5. Step 5: Solve for x
    x = 16,740,103,313.79/127,049.41
  6. Step 6: Final answer
    x = 131,760.57

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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.