Home / 127,109.36-190,431.66-59,517.38

Finding the Fourth Proportional to 127,109.36, 190,431.66 and 59,517.38

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Solution

The fourth proportional to 127,109.36, 190,431.66 and 59,517.38 is: 89,167.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,109.36 : 190,431.66 = 59,517.38 : x
  2. Step 2: Convert to fraction form
    127,109.36/190,431.66 = 59,517.38/x
  3. Step 3: Cross multiply
    127,109.36x = 190,431.66 × 59,517.38
  4. Step 4: Simplify right side
    127,109.36x = 11,333,993,472.25
  5. Step 5: Solve for x
    x = 11,333,993,472.25/127,109.36
  6. Step 6: Final answer
    x = 89,167.26

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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.