Home / 127,609.29-191,399.36-34,122.33

Finding the Fourth Proportional to 127,609.29, 191,399.36 and 34,122.33

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Solution

The fourth proportional to 127,609.29, 191,399.36 and 34,122.33 is: 51,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,609.29 : 191,399.36 = 34,122.33 : x
  2. Step 2: Convert to fraction form
    127,609.29/191,399.36 = 34,122.33/x
  3. Step 3: Cross multiply
    127,609.29x = 191,399.36 × 34,122.33
  4. Step 4: Simplify right side
    127,609.29x = 6,530,991,953.10
  5. Step 5: Solve for x
    x = 6,530,991,953.10/127,609.29
  6. Step 6: Final answer
    x = 51,179.60

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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.